Bright line spectra can be used to identify the elements present on the surface of a star. Absorption lines, which are created when specific elements absorb certain wavelengths of light, can be observed in the star's spectrum. By comparing these absorption lines to laboratory measurements, astronomers can determine the composition of the star's surface.
Explanation:Elements present on the surface of a star can be identified using bright line spectra. When light from a star passes through a prism or a diffraction grating, it gets dispersed into a spectrum. This spectrum consists of dark lines, known as absorption lines, which are created when specific elements in the star's atmosphere absorb certain wavelengths of light. By comparing the absorption lines in the star's spectrum to laboratory measurements of known elements, astronomers can determine the composition of the star's surface.
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The latitude of a place affects climate because an area’s location determines how much __________ it receives.
Answer:
sun
Explanation:
i got it right
What was the outcome of the archaeologists prediction to the hypothesis on page 19
15. How do the Maya live today?
An ECOREGION is defined as a large area of land or water that contains a geographically distinct assemblage of natural communities.
Question 3 options:
True
False
The correct answer is:
True
Answer: True
Explanation:
Which of the following was not formed from a continental-continental collision?
A.
The Tetons
B.
The Appalachians
C.
The Alps
D.
The Himalayas
which two continents occupy the same landmass
Europe and Asia occupy the same landmass, forming a large landmass known as Eurasia. Notably, continents have shifted and moved throughout Earth's history, originally being part of the supercontinent Pangaea.
Explanation:The two continents that occupy the same landmass are Europe and Asia. These two continents together form a large landmass called Eurasia. This term, 'Eurasia', is often used to refer to the combined continental landmass of Europe and Asia.
In the past, during the time of the supercontinent Pangaea, many continents that we now know as separate were all part of the same landmass. A scientist named Wegener conceived the idea of continental drift in 1910 when he observed similarities between the shapes of the continents, fossil evidence, and certain animal species on different continents. He proposed that these similarities were due to the continents once being part of a larger supercontinent, Pangaea.
Of course, continents have changed and moved throughout Earth's history. For example, the African plate once bumped into the Eurasian plate under great pressure, lifting mountains such as the Alps.
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What is the name of the continental plate that is involved with the andes mountains?
In the context of plate tectonics, what is a subduction zone?
a place where one plate is pushed down under another, such that it melts into the mantle
In a legal case, what does equal protection under the law mean?
Answer:
B.
It means that everyone has the same remedies if they think they have been unlawfully discriminated against.
the most violent volcanic eruptions are associated with what type of volcano?
The most violent volcanic eruptions are associated with composite or stratovolcanoes due to their eruptions often involving pyroclastic flow.
Explanation:The most violent volcanic eruptions are generally associated with composite volcanoes, also known as stratovolcanoes. These types of volcanoes are characterized by their steep, conical shape and are typically composed of many layers of hardened lava, pumice, and volcanic ash. Eruptions from composite volcanoes can be so violent because they often involve powerful explosions that can result in the eruption of pyroclastic flow, a dense, destructive mass of very hot ash, lava fragments, and gases ejected explosively from a volcano and typically flowing downslope at high speed.
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Describe how the theory of plate tectonics helps support Alfred Wegener's hypothesis. Explain it to a person lower than your grade or someone younger than you very detailed**
I'm in high school, I'm not a young age**
What do we call the tide that occurs when constructive interference between lunar and solar bulges produces a large tidal range? what do we call the tide that occurs when constructive interference between lunar and solar bulges produces a large tidal range? spring tide fall tide pean tide neap tide?
The columbian exchange is a term used only historically to describe the exchange of crops, animals, and disease between the americas, europe, and africa. it is no longer present in the modern day.
True or False?
What is the climate of MEXICO?
Question 6 options:
varying from maritime to temperate.
varying from desert to tropical.
varying from steppe to desert.
varying from tropical wet to tropical dry.
Eutrophication can lead to decreased dissolved oxygen in a body of water. This often results in __________.
A.
the deaths of all plant and marine life in the area
B.
an increase in water pollution in the area
C.
more biodiversity in the area
D.
less air pollution in the area
Answer:
A. the deaths of all plant and marine life in the area
Explanation:
Eutrophication is the enrichment of the mineral and the nutrient that is formed by the access of the growth of the algae and thus results in the oxygen depletion and hence the runoff and fertilizers and other sewage that are contained in the aquatic systems.The Greeks believed in the enjoyment of life.
True
False
The statement is true; ancient Greeks highly valued the enjoyment of life, which is demonstrated through their balanced approach to pleasure, celebration of their gods' indulgences, and philosophers advocating happiness as life's goal.
The statement that Greeks believed in the enjoyment of life is true. Ancient Greek culture placed a high value on the pursuit of happiness and personal fulfillment. This is reflected in their philosophy, mythology, and daily practices. The Greeks were known for their belief in balanced enjoyment of life's pleasures, as embodied in the maxim 'nothing in excess'. Their religious and cultural practices encouraged the celebration of beauty, strength, and intellectual achievement, often with more flexibility than what we see in traditions that emphasize a stricter moral code.
Greek gods like Zeus and Aphrodite were depicted as indulging in a variety of pleasures, setting a divine example of sensuality and appetite for life. Philosophers like Epicurus taught about the importance of seeking pleasure and avoiding pain, considering happiness as the goal of life. Moreover, the endorsement of athletic and artistic pursuits among the Greeks also reinforces their appreciation for leisure, the arts, and luxury, contributing to a desirable lifestyle admired even by the Romans.
Therefore, the enjoyment of life was not only tolerated but celebrated in ancient Greek culture, within the bounds of moderation and societal norms. This aspect of their culture has been influential and remains an integral part of understanding the philosophy and legacy of ancient Greece.
( PLEASE HELP. )
Label the numbers from 1-4.
Options:
A) Lines of longitude
B) Prime Meridian
C) Equator
D) Lines of latitude
Answer:
1. A
2. B
3. D
4. C
When an ocean and a continent plate converge, why does the ocean plate always subduct? byu?
Is nebraska close to north dakota or arizona?
In Egypt, Aton was a
Priest
God
Pharaoh
Describe how the government of the Roman Republic contributed to the development of democratic principles such as the separation of powers, rule of law, and representative government. You MUST use complete sentences.
Microcredit loans typically are used to __________. A. buy a home B. start a small business out of one’s home C. improve infrastructure D. open a store or restaurant
The correct answer is (B) start a small business out of one's home
What Exactly Is Microcredit?
Microcredit is a typical type of microfinance that consists of a very modest loan given to an individual to assist them in becoming self-employed or growing a small business. These borrowers are typically low-income persons, primarily from developing countries (LDCs).
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Which of the following is a source of map data? a. surveying b. GPS c. digitized computer data d. all of the above
The prime meridian runs through moscow.
a. True
b. False
Prime Meridian is the longitude that divides the Earth into two hemispheres.
The given statement is False.
The prime meridian is a longitude situated at 0-degrees and divides the Earth into two hemispheres. The Prime Meridian passes through Greenwich, London.
The countries through which Prime Meridian crosses are:
BritainAlgeriaSpain FranceMaliGhanaAntarcticaTogand Burkina Faso
Prime meridian divides the Earth into Eastern and Western hemispheres. It is situated at 0-degrees.
Therefore, the given statement is False.
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If the northern hemisphere were tilted 90° toward the sun, which location would be warmest in the summer?
The rust-colored tint of some desert landscapes is the result of _____. (1 point)
The correct answer is - chemical weathering.
The deserts are in general covered with sands. These sands are the result of weathering, mostly caused by the mechanical weathering of the wind. With the process of weathering of some of the minerals are created another minerals, like the iron oxide, which is possible only if the weathered minerals contained iron of course. Because the iron naturally has a reddish color, as the sends accumulate more and more, the desert starts to get that distinctive reddish coloration of its landscape.
Earth's magnetic field is trapped in rocks as lava cools down. What do the rocks tell us?
Answer:
The magnetic field changes every time it erupts along the mid-oceanic ridge and also these rocks helps in determining the age of the rocks.
Explanation:
Due to the constant plate tectonic activity, the rocks are constantly affected and are erupted along the mid-oceanic ridge where seafloor spreading takes place. These rocks forms here are the igneous basaltic rocks, and when cools after eruptions, it records the polarity of the magnetic field of the earth. The successive polarity is oriented in opposite directions, in the form of stripes which are very prominent. This data also helped in determining the relative age of the rocks of oceanic crust. The mid-oceanic rocks are younger whereas those that are formed further away from it are the oldest.
Which of Earth's layers is comprised mainly of extremely hot liquid metals? crust mantle outer core inner core
It's actually the outer core, since it's made up of melted iron & nickel.
Education spread widely during the enlightenment because
During the Enlightenment, education spread widely for several reasons: Emphasis on Reason and Logic, Printing Press, Rise of Public Education.
The following reasons are explained below:
Emphasis on Reason and Logic: During the Enlightenment, there was a movement in thinking in favor of logic and reason. Philosophers like Voltaire and John Locke stressed the need of education in fostering critical thinking abilities and global knowledge. The idea that education was essential for people to make informed decisions and contribute to society grew as a result.
Printing Press: The development of education was significantly aided by Johannes Gutenberg's creation of the printing press in the 15th century. It increased the availability and affordability of books and other educational resources, enabling the spread of information to a wider audience. As a result, there was a rise in the literacy rate and demand for schooling.
Rise of Public Education: Many scholars throughout the Enlightenment argued in favor of creating public education institutions. They held the opinion that everyone should have access to education, regardless of social standing or financial means. As a result, governments and society started to spend money on public schools and educational institutions, giving everyone the chance to go to school.
Thus, Emphasis on Reason and Logic, Printing Press, Rise of Public Education are the reasons for widely spread.
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What map symbol is often used to show a state capital city?
Although a star isn't always used to symbolize capital cities, some sort of symbol is frequently used to set them apart from other cities.
What is a capital city?A country, state, provincial, department, or other subnational entity's capital city that holds principal status and typically serves as the seat of that entity's administration.
A city that physically houses the government's offices and meeting locations is considered to be the capital; this status is frequently outlined in the legislation or constitution of the country. Distinct branches of government may be located in different towns in various jurisdictions, including multiple nations.
A city that houses the regional government is known as the capital. Government leaders work at these buildings, which are located here. A region is a country, state, province, or other type of political subdivision. Capitals are commonly referred to as "county seats" at the county level.
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