You are an archaeologist researching artifacts left behind by Francisco Pizzaro's conquest of Peru in the 1530s. In order to confirm the authenticity of the leather artifacts, you are performing radiometric dating using an isotope pair that has a half-life of 250 years. In order for the artifacts to date back to the time of Pizzaro's conquest, approximately how much original radioactive isotope must be left in the artifacts

Answers

Answer 1

Answer:

25%

Explanation:

The percentage of radioactive isotope that must be left in the artifacts is 25%


Related Questions

Without breeches, these members of the Paris Commune considered themselves ordinary patriots. (They wore long trousers instead of knee length breeches of the nobles.)

Answers

Answer:

Sans-culottes

Explanation:

Sans-culottes a visible group of people by the end of nineteenth century, who was said to have played a huge part in the French revolution of 1789.  

The name sans-culottes was associated with their clothing at that time and they are made of working class people who either had their own business or worked as laborers that earned wages.

They never liked the breeches won by the people of upper or middle class persons, they rather said that there should not be any form of discrimination based on clothing.  

What was one major reason given by Adolf Hitler to justify his demand for additional territory between 1936 and 1939?
1) All ethnic Germans needed to be united into one German nation.
2) Germany needed to re-establish its over-seas empire.
3) The German navy needed access to Mediterranean sea-ports.
4) Germany needed a buffer zone to protect it from foreign invasion.

Answers

Answer:

1) All ethnic Germans needed to be united into one German nation.

Explanation:

Evidence for scientific argumentation is provided by _______.


scientific opinions


scientific theories


scientific discussion


scientific experiments

Answers

Answer:

Scientific experiments

Explanation:

Experiments provide results that could be used as evidence for an argument.

Final answer:

Evidence for scientific argumentation is provided by scientific experiments.

Explanation:

Evidence for scientific argumentation is provided by scientific experiments. Scientific arguments must be built upon empirical evidence, which is collected through direct observation or the results from scientific inquiry and methodologies. A hypothesis is proposed as an explanation for these observations and is tested through experimentation.

If a body of experimental data consistently supports a hypothesis across multiple independent studies, it can evolve into a scientific theory, which provides comprehensive explanations of aspects of the natural world and is considered a fundamental principle of science.

spurred westward migration, inspired nationalism, encouraged american industries, and ended the Federalists party.

Answers

Answer:

Some of the effects of the War of 1812 were:

spurred westward migrationinspired nationalismencouraged american industriesended the Federalists party

Explanation:

The war of 1812 was a conflict between the United States and Britain that was triggered by Britain's continuing violations of US maritime rights. It ended with the Treaty of Ghent.

The war was carried out by sea and by land and naval battles on the Canadian border. In the South and the Gulf of Mexico clashes were held with the Native Americans as they allied with the English to not be displaced from their ancestral territories.

Identify the statements that describe poverty in the colonies in the eighteenth century.

Answers

Answer:

a) Economic crisis in some colonies due to some laws created by England that did not allow to reduce the distance between rich and poor people

b) Poverty was not as developed in the colonies as it was in England since England was on the War of American Independence 1776-83.

c) The most rich pople in the colonies was just about 10 percent of all the people.

d) Poor colonists were viewed as people with not capabilites to emerge from the poverty.

Explanation:

We need to remember that American colonies, also called thirteen colonies or colonial America," these colonials were established during the 17th and early 18th centuries in what is now a part of the eastern United States". Some characteristics about it are:

a) Economic crisis in some colonies due to some laws created by England that did not allow to reduce the distance between rich and poor people

b) Poverty was not as developed in the colonies as it was in England since England was on the War of American Independence 1776-83.

c) The most rich pople in the colonies was just about 10 percent of all the people.

d) Poor colonists were viewed as people with not capabilites to emerge from the poverty.

Final answer:

Poverty in the eighteenth-century colonies was characterized by poor living conditions, homelessness, malnutrition, disease, and significant wealth imbalance. The lower class, which made up a significant part of the population, often lived in inhumane conditions.

Explanation:

In the eighteenth century, poverty in the colonies was primarily characterized by the lack of wealth distribution and limited access to basic necessities. Large sections of the colonial population lived in inhumane conditions, often due to debt or the lack of land ownership. Homelessness, malnutrition, and disease were common amongst the lower class while a small number of upper class colonists possessed considerable wealth. There was a sharp imbalance of wealth and opportunities, with a small portion of the population, mostly gentry or tradespeople, enjoying wealth and prosperity while a large number of people languished in abject poverty.

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We’re the effects of industrialization more position or more negative, explain your answer and give examples. (Things to considers: affects on the social classes, working condition and living condition.)

Answers

The effects of the industrial revolution were more positive:

Effects on the social classes:

People from all the classes of society got employment and hence everyone could earn a dignified living. With increased and instant earning, the standard of living of the people of all the classes improved.

Working condition:

Though the working conditions right at the beginning of the industrial revolution were not so good, the went on improving with time.

Living conditions:

Industrial Revolution stimulated the growth of urban areas and planned establishments came to form. People in urban areas had better living conditions than the ones living in rural areas.

When Gatsby tells him about things like his time at Oxford, his medals for his service in the war, and his time living "like a young rajah in all the capitals of Europe," Nick feels __________.

A.) confused because he already knows the truth about Gatsby

B.) as though Gatsby is lying, and he dislikes him

C.) threatened because he knows he cannot trust Gatsby

D.) impressed by Gatsby's adventurous and eventful past

Answers

When Gatsby tells him about things like his time at Oxford, his medals for his service in the war, and his time living "like a young rajah in all the capitals of Europe," Nick feels as though Gatsby is lying, and he dislikes him

Option B

Explanation:

In order to create a positive impression, Gatsby told him a story about his wartime courage and his Oxford days. Nick then joins Jordan at the Hotel Plaza. She states that Gatsby and Daisy met in 1917 when Gatsby was a member of the Louisville-based American Military forces. Both fell in love, but Daisy married Tom secretly when Gatsby was stationed in other countries.

Now Gatsby expects that Daisy will accept him as a sponsor for his shimmering parties and real wealth. Gatsby utilizes Nick for a meeting with Daisy and is drawn to Nick's tea bungalow where Gatsby is waiting for her secretly. Gathered together, Daisy and Gatsby become engaged in a love affair.

How did many Irish and German immigrants in the early 1800s contribute to the development of the United States

Answers

Answer:

Very few Irish immigrants entered the U.S. in the early 1800s. According to Harvard University, in the 1820-1830 period, only around 50,000 Irish immigrated. However, they still made an impact in American culture, spreading catholicism in the North, and even the South, and influencing American Folk Music.

German American immigration to the U.S. began with Jamestown, and by the early 1800s, there was already a sizeable German American community in the U.S., especially in Pennsylvania. The current Menonite and Amish communities in Pennsylvania are direct descendants of those early German settlers.

According to the Yearbook of Immigration Statistics, from 1820 to 1840, over 100,000 Germans immigrated to the U.S. They began to settle in the midwest, and a large part of them became farmers.

Both Irish and German immigration would explode from the mid-1800s to the early 1900s.

What symbol represents Hideki Tojo?

Answers

Answer: Brusque, scrupulous, and hardworking, Tojo came to be known as kamisori (the razor) for the sharp, decisive, impatient qualities that he manifested as he rose rapidly through the military hierarchy. He was assigned first to the War Ministry and subsequently to the general staff and various command posts.

I hope this helps, if you have anymore let me know.

Final answer:

Hideki Tojo is symbolically associated with Japanese militarism and imperial expansion during World War II. He represents a period of Japanese history dominated by military control and the ambition to lead the Pacific, leading to Japan's eventual defeat and transition to democracy after surrender.

Explanation:

The symbol that represents Hideki Tojo, the Prime Minister of Japan during much of World War II, is not a singular graphic emblem but rather the broader historical symbolism of Japanese militarism and imperial expansion of that era.

Tojo is commonly associated with the aggressive policies of the Japanese Empire leading up to and during the war. His tenure was marked by significant events including the attack on Pearl Harbor and Japan's expansion into East Asia, which were driven by the belief in Japan's destiny to dominate the region.

Tojo's leadership was characterized by its alignment with ultra-nationalist sentiments within the military and the government. During his rule, Japan witnessed the conquest of Manchuria, the outbreak of the Second Sino-Japanese War, and ultimately, the Pacific War against the Allies.

The figure of Hideki Tojo represents a period of Japanese history steeped in military control, territorial ambition, and the cult of the emperor, which culminated in Japan's defeat and subsequent surrender in 1945 after the atomic bombings and the Soviet invasion of Manchukuo.

Following Japan's surrender, General Douglas MacArthur led the occupation of Japan, symbolizing the end of militaristic rule, and Emperor Hirohito's acceptance of the Potsdam Declaration. The post-war period marked a significant shift in Japan's history, with the transition to a more democratic and peaceful nation state.

What was the Thornton Affair?
A. a Mexican attack on US troops in a disputed territory near the Rio Grande
B. an attempt to buy California for $25 million
C. a meeting by mapmakers to change the border of the United States and Mexico
D. an attempt to bribe Mexican officials to avoid war

Answers

Answer:

the rightful answer is A.

The Democratic party in Mississippi used a special program known as the __________ Plan to thwart Republican rule in the state.

Answers

Answer: Mississippi plan.

Explanation:

It was a plan formed by the Democratic party to overthrow Republican party in the Mississippi by using organized threats of violence suppressing and vote buying from blacks, this was so because Democrats were interested in regaining political control of both the office of the governor and legislature. The Mississippi plan was effected in 1875.

Leonardo Da Vinci is best known for his painting of the ceiling of the Sistine Chapel. Question 4 options:

1. True
2. False

Answers

Answer:

It's FALSE

Explanation:

The ceiling of the Sistine Chapel was painted by Michelangelo in 1512 and is one of his greatest artworks. The painting of the Ceiling of the Sistine Chapel was proof that he could execute something beyond the sculpture. About Leonardo da Vinci, he is best known for Mona Lisa, his most famous artwork.

1. The largest category of Asian Americans in the U.S. is the people of Chinese ancestry.
2. Arab Americans come from more than twenty different nations in Northern Africa and the Middle East.
3. Human beings are all members of a single biological species.
4. The Cuban American population is the largest group in the category of Hispanics in the U.S.
True or false?

Answers

Answer:

1. The largest category of Asian Americans in the U.S. is the people of Chinese ancestry. - True

Chinese americans comprise around 25% of the Asian American population in the U.S. (about 3.7 million people). The second largest Asian American group are Filipinos.

2. Arab Americans come from more than twenty different nations in Northern Africa and the Middle East. - True

Arabs are an ethnic group that inhabit Northern Africa countries and the Middle East. Some Arab countries are: Saudi Arabia, Jordan, Syria, and Egypt.

3. Human beings are all members of a single biological species. - True

Human beings belong to the Homo Sapiens species. All other hominid species became extinct thousands of years ago.

4. The Cuban American population is the largest group in the category of Hispanics in the U.S. - False

The largest Hispanic American group are Mexican Americans who comprise about 60% of all Hispanic Americans in the U.S.

Cuban Americans are in fact the third largest Hispanic American group, representing about 4% of all Hispanic Americans in the U.S. (around 2.3 million people).

The President’s veto power is accurately described by which of the following statements?
A President sometimes threatens to veto a bill that is under discussion in order to influence congressional decision-making.
A President typically vetoes about a third of the bills passed by Congress.
Congress is usually unable to override a President’s veto.

Answers

Answer:

A President sometimes threatens to veto a bill that is under discussion in order to influence congressional decision-making.

Explanation:

The veto power of the president according to the constitution of the United States is the power to refuse the approval or disapproval of a bill and therefore prevents it from becoming a law. President has 10 days excluding Sunday to sign a bill. But he can use veto to send it back to Congress explaining his objectives. The veto can be overridden by getting two-third majority of both the houses and senate but this case rarely possible because of the vote margin in the senate. Therefore it was used by the president to influence the decision-making process of the Congress.

Stephen Douglas’s proposed Kansas-Nebraska Act: Group of answer choices
might allow slavery in Kansas and Nebraska.
showed his enthusiastic support of slavery.
strengthened his presidential prospects.
would promote construction of a transcontinental rail line along a southern route.
strengthened the Missouri Compromise.

Answers

Answer:

Stephen Douglas' proposed Kansas-Nebraska Act might allow slavery in Kansas and Nebraska, and would promote construction of a transcontinental rail line along a southern route.

Explanation:

The Kansas-Nebraska Act was a law passed in the United States in 1854 that allowed the Kansas and Nebraska territories to enter the Union as states. The bill, initiated by Stephen Douglas, a pro-slavery Democratic Party, was approved with the support of President Franklin Pierce. The change opened the Kansas and Nebraska areas to settlers and allowed the construction of railways in the area. At the same time, the attitude of the new territories to slavery was left to the people of the area to decide, which overturned the former Missouri Compromise of 1820.  

The decision to submit the issue of slavery to the people of the area eventually became fatal. When opponents and supporters of slavery rushed to the area only to vote on slavery, the situation became violent. Armed groups assembled by slavery supporters and opponents terrorized the area for four months before federal troops arrived in the area.

Politically, the law was a huge loss for Douglas and President Franklin Pierce, who supported him. Abraham Lincoln, the future president of the United States, who opposed slavery, was successful in using the law to his advantage.

Which of the following arguments is best supported by this excerpt from an 1865 Mississippi law on vagrancy?

"All freedmen, free negroes and mulattoes in this State, over the age of eighteen years, found on the second Monday in January, 1866, or thereafter, with no lawful employment or business, or found unlawfully assembling themselves together, either in the day or night time ... shall be deemed vagrants, and on conviction thereof shall be fined in a sum not exceeding ... fifty dollars ... and imprisoned at the discretion of the court ... not exceeding ten days."

A. White southerners sought to use vagrancy laws to raise money by fining African Americans in response to the reconstruction of the South.
B. Following the Civil War, few African Americans had lawful employment.
C. Following the devastation of the Civil War, vagrancy was very common in southern states like Mississippi.
D. White southerners sought to use vagrancy laws to control African American labor.

Answers

Answer:

The answer is letter D.

Explanation:

Th best argument supported by this excerpt from an 1865 Mississippi law on vagrancy is  White southerners sought to use vagrancy laws to control African American labor.

Final answer:

The 1865 Mississippi vagrancy law supports the argument that white southerners used such laws to control African American labor post-Civil War, as part of the Black Codes.

Explanation:

The 1865 Mississippi law on vagrancy is best supported by the argument that white southerners sought to use vagrancy laws to control African American labor. This law was part of the wider system of Black Codes implemented in the South after the Civil War to maintain the existing social and economic order. These codes limited the rights and freedoms of African Americans, effectively forcing them into servitude. Vagrancy laws were used to criminalize lack of employment amongst African Americans and thus provided a mechanism for white southerners to compel African Americans into exploitative labor contracts under threat of fines or imprisonment.

The Fed's goal of interest rate stability:
a. was formally abandoned in 1998.
b. is motivated by political pressure as well as by a desire for a stable saving and investment environment.
c. is undermined by actions the Fed takes to further its goal of stability in financial markets and institutions.
d. is undermined by actions the Fed takes to further its goal of price stability.

Answers

Answer:

The correct answer is option b: Is motivated by political pressure as well as by desire for a stable saving and investment environment.

Explanation:

The Feds goal is the best interest of the country so they have to be on top of all the situations that may affect the stability of it and can become a problem on the long run. They have the responsability to act on the interest of the people and is normally motivated agenda by the politicians in charge.

What change was noted when cities in Texas were forced to change to single-member districts for at least some city council seats?

Answers

Answer: Substantial increase in minority city council members

Explanation: The change that was noted was that there was a substantial increase in the minority city council members,the voting right granted by the 1965 acts was very instrumental to the increasing participation of minority groups in Texas like the Latinos and African-Americans population,Texas has been known to descriminate against minority groups since 1845 until it was forced to change to single- member district for some city council seats.

Final answer:

The change to single-member districts in Texas led to a more diverse, representative city council, as it enabled smaller, geographically concentrated communities to elect candidates that represented their interests. This shift brought about changes in the decision-making processes of the councils, often with more emphasis on local concerns.

Explanation:

When cities in Texas were forced to change to single-member districts for at least some city council seats, significant shifts were noted in the representation. It led to a more diverse and representative city council. Previously, at-large voting systems and multi-member districts often diluted the votes of minority populations, hindering their ability to elect candidates of their choice. The change to single-member districts made it possible for smaller, geographically concentrated groups to elect candidates that represented their interests, resulting in increased diversity and representation on city councils.

This change had significant impacts on the decision-making processes of city councils, often leading to more emphasis on local concerns and issues, as council members came from specific geographical areas and therefore had a vested interest in those particular communities.

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The delegates at the California state constitutional convention wanted admission as a state. Though Southerners preferred to extend the Missouri Compromise to the Pacific Ocean, President Zachary Taylor wanted admission based on . It wasn’t until passage of the that the Southerners were appeased and California was allowed to enter as the Thirty-First state.

Answers

Answer:

The delegates at the California state constitutional convention wanted admission as a state. Though Southerners preferred to extend the Missouri Compromise to the Pacific Ocean, President Zachary Taylor wanted admission based on popular sovereignty. It wasn’t until passage of the Compromise of 1850 that the Southerners were appeased and California was allowed to enter as the Thirty-First state.

Explanation:

In 1849, the California Constitutional Convention unanimously decided to ban slavery, put in place a provisional government which administered the region for ten months and drew up the first California Constitution. On September 9, 1850, California became the 31st State of the Union, thanks to the Compromise of 1850, in which it was agreed that California would join the Union as a free state in exchange for the ban of the Wilmot Proviso.

The President of pacific ocean, Zachary Taylor wanted admission based on the fact that it was a free state.

What was the Missouri compromise?

This was a compromise in the United States that established that states could be allowed to practice slavery in the country if they wanted to.

From the question here, this president wanted the state of California to be admitted given the fact that the state did not practice the act of slavery.

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How did the persian gulf help development of mesopotamia

Answers

Answer:

The Persian Gulf served Mesopotamia by providing a path to trade with countries near and far from the region.

Explanation:

Mesopotamia began to flourish as one of the early civilization because of the fertile crescent that helped in providing fertile soil near rivers of the area. Mesopotamia began to emerge with urbanization, trade, writing, agriculture, domestication, science and religion. The Persian Gulf helped Mesopotamia by giving a trading connection with India and other regions. The Persian Gulf became the easiest way to transport goods, and sailors along with merchants to crossed the coasts of Persia to reach India through the Indus River.

Final answer:

The Persian Gulf facilitated long-distance trade and the exchange of goods and ideas in Mesopotamia, contributing to the region's economic and cultural growth. The importation of essential resources via the Gulf helped establish a complex urban society.

Explanation:

The Persian Gulf played a vital role in the development of Mesopotamia through its facilitation of long-distance trade and the exchange of goods and ideas. The lack of local resources such as stone, precious metals, and timber in Mesopotamia necessitated the development of robust trade networks. Trade routes via the Persian Gulf allowed for the importation of these materials from distant lands, fueling the region's economic and cultural growth. Additionally, the establishment of irrigation systems managed by a centralized authority supported agricultural surpluses, fostering craft specialization and artistic production, and setting the stage for the development of a complex urban society. The Persian Gulf's contribution to the mobilization of resources and the facilitation of trade networks underscores its critical role in the advancement of Mesopotamian civilization.

How did the Virginia Company reshape the colony's development? 1. It required all settlers to grow sugar, a highly profitable crop. 2. It fired John Smith and brought in a more popular leader. 3. It instituted the headright system, giving fifty acres of land to each colonist who paid for his own or another's passage. 4. It gave control back to the king, who straightened out its problems.

Answers

Taking into account the statement above: "How did the Virginia Company reshape the colony's development? 1. It required all settlers to grow sugar, a highly profitable crop. 2. It fired John Smith and brought in a more popular leader. 3. It instituted the headright system, giving fifty acres of land to each colonist who paid for his own or another's passage. 4. It gave control back to the king, who straightened out its problems."

The answer is: It instituted the headright system, giving fifty acres of land to each colonist who paid for his own or another's passage.

Answer:

(3.) It instituted the headright system, giving fifty acres of land to each colonist who paid for his own or another's passage.

Explanation:

The Virginia company shares were first bought by wealthy London financiers, it was this money they used to finance a colony with the hope that the colony would make profit and return back to them. The company also had the paln to identify raw materials such as gold and silver in Virginia so as to repay the investors back in England.

The company gained favourable attention not until the high mortality rate at Jamestown which affected their profit and financial support to fall with this issue there was an argument among the financiers of the company that converting the Virginia Indians to Christianity would be a positive move for the company.

Tobacco cultivation finally provided a profitable return.

Which was the last year that saw major Hollywood studios produce mainstream movies as silent movies?
a) 1910b) 1929c) 1933d) 1936

Answers

Answer:

Option: b) 1929

Explanation:

Hollywood studios produced the majority of the silent movies during 1929. The silent movies reached its full maturity in 1929 when there were lots of artistic innovation. Silent filmmakers come with new themes to produce genre and style which included expressions from French Impressionism, German Expressionism, and Soviet Montage. The three-point lighting, the close-up, and long-shot became common in silent films.

Final answer:

The last year major Hollywood studios produced mainstream silent movies was 1929, marked by the shift to "talkies" after the release of The Jazz Singer in 1927. This transition changed cinematic storytelling and audience experiences, ushering in a new era of sound films.

Explanation:

The question asks, Which was the last year that saw major Hollywood studios produce mainstream movies as silent movies? The correct answer is b) 1929. This period marked the transition from silent to sound films, significantly shaped by the release of The Jazz Singer in 1927, which was the first successful talking motion picture. This shift not only changed how movies were made but also how they were consumed, leading to the decline of silent films as "talkies" became the new standard.

By 1929, the film industry was well into the transition towards sound films, making it the last year major studios produced silent movies as mainstream entertainment. This change was a part of the broader evolution in mass media technologies, which played a crucial role in creating a mass culture by making the same movies accessible to people across different regions. Despite this evolution, silent films hold a cherished place in cinematic history, representing an era when visual storytelling reigned supreme.

which of the following concepts was a commonality of early greek theories on how life started and how diverse living forms arose?

Answers

Answer:

spontaneous generation

Explanation:

The theory of spontaneous generation, though outdated, seem to state that living organisms originate from other objects that are non-living.  

Aristotle, a Greek philosopher were among the first people to talk about this theory. He further established the appearance of certain animals in places where they never existed, such as the appearance of a fish in a new water body. The appearance of maggots on rotting meat and bread were some of the established facts that were used to support the theory.

The later art depicting angels, the Virgin Mary, and infant Christ was directly inspired by earlier Greek depictions of Aphrodite (Latin Venus) and her son Eros (Cupid).

Answers

Taking into account the statement above: "The later art depicting angels, the Virgin Mary, and infant Christ was directly inspired by earlier Greek depictions of Aphrodite (Latin Venus) and her son Eros (Cupid)."

The answer is: Greek heroes and Christian theology.

Hope this helps.

Final answer:

Renaissance art depicting angels and religious figures such as the Vir-gin Mary and Christ was influenced by Greek and Roman depictions of deities like Aphrodite and Eros.

Explanation:

The later art depicting angels, the Mary, and infant Christ owed much to earlier Greek and Roman depictions of figures such as Aphrodite and her son Eros. Renaissance artists like Sandro Botticelli in his painting The Birth of Venus revived interest in classical mythology, which in turn influenced the stylization of Christian iconography.

Throughout history, Mary has often been portrayed in purple, symbolizing her heavenly royalty, with her large, Byzantine eyes and columnar figure in various art forms, from Ethiopian gospel books to Russian icons. Variations in representation, such as Eleousa, demonstrate a blend of traditional iconography with local cultural inflections.

When Europeans began settling in the America’s and building large plantations, there were already enough native people there to provide a labor force. Why did Europeans merchants start shipping slaves from Africa to the colonies of the Americas instead of hiring native Americans

Answers

Europeans started shipping African slaves in America because they didn’t speak the same language nor were they familiar with the land. Furthermore African slaves wouldn’t succumb to diseases as easily as Native Americans.

Due to the fact that they didn't share the same language or common geography, Europeans began to transport African slaves to America. Additionally, African slaves wouldn't perish from illnesses as quickly as Native Americans did.

Who Were Native Americans?

Native Americans, also known as indigenous peoples of the Americas, are the descendants of the pre-Columbian inhabitants of North and South America. Numerous separate tribes, bands, and ethnic groupings make up the population of the modern United States, many of which continue to exist as a whole, independent countries.

The majority of experts concur that the first signs of human habitation in North America point to a migration from Eurasia more than 13,000 years ago, most likely along the Bering Land Bridge, which was in place during the Ice Age. Some historians, however, compete that migration to the Americas began far earlier—possibly 40,000 years ago. These early Paleo-Indians dispersed over the Americas and diversified into countless countries and tribes with unique cultures.

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High rates of species extinction caused by human activity have taken place at which of the following times in Earth's history?I. At the end of the Permian period
II. At the end of the Cretaceous period
III. During recent times
a. I only
b. II only
c. III only
d. I and II only
e. I, II, and III

Answers

Answer:

At the end of the permian period

Explanation:

The Permian–Triassic extinction event, also known as the P–Tr extinction, and as the Great Dying, formed the boundary between the Permian and Triassic geologic periods, as well as between the Paleozoic and Mesozoic eras, approximately 252 million years ago. It is the Earth's most severe known extinction event, with up to 96% of all marine species and 70% of terrestrial vertebrate species becoming extinct. It was the largest known mass extinction of insects. Some 57% of all biological families and 83% of all genera became extinct. Because so much biodiversity was lost, the recovery of land-dwelling life took significantly longer than after any other extinction event, possibly up to 10 million years. Studies in Bear Lake County, near Paris, Idaho, showed a relatively quick rebound in a localized marine ecosystem, taking around 2 million years to recover,suggesting that the impact of the extinction may have been felt less severely in some areas than others.

High rates of species extinction caused by human activity have occurred at the end of the Permian period, the end of the Cretaceous period, and during recent times.

High rates of species extinction caused by human activity have taken place at the end of the Permian period, at the end of the Cretaceous period, and during recent times. The Permian extinction, also known as the Great Dying, occurred about 252 million years ago and it wiped out approximately 96% of marine species and 70% of land species.

The Cretaceous extinction, which happened approximately 66 million years ago, caused the extinction of non-avian dinosaurs, among other species. Finally, the ongoing human-induced extinction, also known as the Anthropocene extinction, is happening today and is considered to be the sixth mass extinction event.

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The Freedmen’s Bureau: Group of answer choices made notable achievements in improving African-American education and health care. won much southern white support because it consistently supported the planters in disputes with former slaves. enjoyed the strong support of President Andrew Johnson in its work on behalf of civil rights. carried out a successful program of distributing land to every former slave family.

Answers

Answer:

made notable achievements in improving African-American education and health care.

Explanation:

The Freedmen Bureau was the popular name of the Bureau of Refugees, Freedmen and Abandoned Lands which was passed by an act by Congress on 3 March 1865 to help the African Americans and poor whites of south who lost their livelihood in Civil war. It aimed to provide educational facilities, legal assistance, housing and food to the former slaves. Efforts of this bureau were undermined because of the shortage of funds and racial segregation practices erupted in the South.

What statement is false in regards to how did Native Americans conceive of private property? 1. Families might use a specific plot of land for a season. 2. Native Americans believed that land should never be claimed. 3. The same as Europeans, who claimed otherwise as an excuse to take their land. 4. A family could not claim land forever, and an individual could not either. 5. Individuals could own the right to use the land.

Answers

Taking into account the statement above: "What statement is false in regards to how did Native Americans conceive of private property? 1. Families might use a specific plot of land for a season. 2. Native Americans believed that land should never be claimed. 3. The same as Europeans, who claimed otherwise as an excuse to take their land. 4. A family could not claim land forever, and an individual could not either. 5. Individuals could own the right to use the land."

The answer is: native Americans believed that land should never be claimed.

Hope this helps.

In the Constitutional Convention of 1787, for the purpose of political representation, slaves were classified as:

Answers

In the Constitutional Convention of 1787, for the purpose of political representation, slaves were classified as three fifth of the person

Explanation:

Constitutional Convention  came in existence from 14 May to 17 September 1787 in in Philadelphia, Pennsylvania. The main purpose of this event is to decide how America was going to be governed. John Rutledge was the head of this committee.

The main role of this committee is to make supreme law of America perfect. The counting of slaves come under the compromise agreement. Here they keep the proposal three fifth of the slave counted as population.    

A family history of substance abuse/dependence has a significant impact on the functioning of individuals with substance dependence.

A) trueb) false

Answers

Answer:

True

Explanation:

An individual with substance dependence would have difficulty functioning due to the fact they themselves are addicted to a harmful substance, which would definitely create various obstacles for them to be able to live a normal life. If, in addition to their circumstances, they also have family members who suffered from substance abuse, it would be even harder for them to function - even if they are in recovery, since they would still be around people with substance abuse, increasing the risk of a relapse.

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