The theory of plate tectonics states that the Earth's surface is made up of a number of large , rigid plates that are constantly moving.
What are these plates made of ?These plates are made up of the Earth's crust and upper mantle, and they move about at rates of a few centimeters per year .
The movement of the plates is driven by convection currents in the Earth's mantle. These currents are caused by the uneven heating of the mantle , which causes the hot , less dense material to rise and the cooler , denser material to sink .
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Plate tectonics explains Earth's surface features through the movement of tectonic plates and interactions.
Plate tectonics is the theory that the surface is broken into several tectonic plates that are moving and interacting with one another to produce relief features of the Earth.
A space traveler weighs 570 n on earth. what will the traveler weigh on another planet whose radius is three times that of earth and whose mass is twice that of earth?
Areas where tectonic plates meet up but do not fit neatly into a category, and are ill-defined, are called Question 2 options:
Transform boundaries
Plate transformation boundaries
Plate boundary zones
Multi-boundary zones
Answer:
Option (3)
Explanation:
Plate boundary zones refer to those regions where the floating tectonic plates form a convergent, transform or a divergent type of plate boundary. This covers a large distance, ranging from about tens of kilometers to hundreds of kilometers. The formation of subduction one, oceanic trenches, large mountain belts, and occurrences of earthquakes are associated with the plate boundary zones.
These zones are the areas where the tectonic plates move against one another but they do not fit correctly into a distinct category.
Thus, the correct answer is option (3).
Which of the following is a SECONDARY effect of acid deposition ?
A. Polluted water
B. Dying forests
C. Airbourne Chemicals
D. All of the above
The secondary effects of acid deposits include polluted water, dying forests, and airborne chemicals. As a result, choice (D) is the best way to respond.
What is acid rain?Any type of precipitation that is particularly acidic, or has a high concentration of hydrogen ions, is referred to as acid rain (low pH). Acid rain has a pH level that is lower than this and often runs between 4-5. Most water, especially drinking water, has a neutral pH that exists between 6.5 and 8.5.
The pH of acid rain decreases as it becomes more acidic. Plants, marine life, and infrastructure can all be negatively impacted by acid rain. Acid rain is brought on by emission of sulphur dioxide and nitrogen oxide, which combine with airborne water molecules to form acids.
Hence, option (D) is the accurate answer.
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Why do people emigrate from Central America to the United States?
Question 24 options:
political instability
lack of economic opportunities
natural disasters
All of the above.
The correct answer is - lack of economic opportunities.
The seven countries in the Central American region are all if difficult economic conditions. The corruption is thriving, the economies are usually based on one or two products, and the industry and agriculture sectors are not well developed. The people that live in this countries are in general poor or on the verge of being poor, and the job opportunities in their respective countries are very limited and extremely hard to get.
Because of this reasons, the Central American people are migrating north, towards the United States, as they see it as a well developed country where they can find a better job, and have a better living in general.
5. The Maya did not unite to form a single united empire. Independent city-states or kingdoms with common cultural ties developed instead. What cultural elements did these city-states share?
The rise of civilization was supported by the local ecology of well-watered soil, and by the network of transportation that was provided by the Coatzacoalcos River basin. This, in turn, triggered the rise of an elite class. The elite class generated the demand for the production of sophisticated luxury artifacts that define Olmec culture. They shared the language, the way the city-states were governed by the noble, used the same method of counting, admired the same gods and told the related myths, Same laws, and same style of clothes.
what kind of map is a rectangular representation of Earth that shows accurate directions, but distorts sizes and distances?
a. Robinson projection
b. Mercator projection
c. Gnomonic projection
d. Conic projection
the mercertator creation
The Mercator projection is the map which is a rectangular representation of Earth that shows accurate directions, but distorts sizes and distances. Correct answer: B
Gerardus Mercator introduced this map in 1569. Because any straight line on this map is a line of constant true bearing it is used for navigation (it enables a navigator to plot a straight-line course).
What is one of the most important roles of the rainforest?
Question 29 options:
moderate destructive drought and rain cycles in local areas
provide shelter and shade for the local inhabitants
provide a source of income for the indigenous people
protect the local area from global warming
Athens and Sparta had great love for each other.
True
False
At which latitude would the sun be directly overhead at noon on april 21?
it would be 23.7 degrees north
What types of climates are on the arabian peninsula?
The Arabian Peninsula predominantly has arid type B climates with high temperatures and low rainfall, with variations including the type H highland climate and a more moderate type C climate in coastal regions.
Explanation:The Arabian Peninsula features a variety of climates, but the dry or arid type B climates are the most dominant throughout the region. These environments are characterized by extremely high temperatures, especially in the summer when it can exceed 120 °F, and very little precipitation, with some areas like Saudi Arabia averaging around four inches of rainfall per year. The central part of the Peninsula is known for the Rub' al-Khali or the "Empty Quarter," which is one of the largest sand deserts in the world. However, there are variations, such as the type H highland climate in the southwest, specifically in Yemen, where the elevation results in somewhat cooler temperatures and more rainfall than the surrounding desert regions. Additionally, the type C climate can be found in the coastal areas, offering more moderate conditions with hot, dry summers and cool, wet winters.
What is a mineral that occurs in a quantity that is economically worthwhile to mine?
activities to activate prior knowledge include
a. concept mapping
b. brainstorming
c. discussion
d. all of these
Answer:
d
Explanation:
True or false?: the mid-ocean ridge is the location of the oldest ocean floor.
how did the language of Quechua spread throughout the Andes?
A. The roman Catholic Church used Quechua to preach Christianity.
B. The Spanish conquerors adopted Quechua.
C. The schools and churches taught Quechua.
D. Quechua and Spanish are the same language.
Name the four oceans of the earth according to size, largest to smallest?
how are the levels of development related to free enterprise?
The location of a point on the earth's surface in relation to other points (what countries/natural features surround that point).
How is earths interior like an apple?
Which internal process leads to earthquakes in places like California?
The internal process that leads to earthquakes in places like California is known as plate tectonics, where the Pacific Plate and the North American Plate are moving past each other along the San Andreas Fault Zone. The slipping of the fault and the building up of stress result in earthquakes. Other factors, such as land distortion and contraction, can also contribute to seismic activity.
Explanation:The internal process that leads to earthquakes in places like California is known as plate tectonics. California is located along the San Andreas Fault Zone, where the Pacific Plate and the North American Plate are moving past each other. The motion of these plates creates tension and stress along the fault, which eventually builds up and is released in the form of an earthquake.
For example, the slipping of the San Andreas Fault near Parkfield every 25 years or so is a result of the continuous movement of the plates. The longer the interval between earthquakes, the greater the stress builds up, resulting in more energy being released when an earthquake occurs.
Other factors, such as the distortion and contraction of the land as pressures build up beneath the surface, can also contribute to the occurrence of earthquakes in California.
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what is the difference between demand for vegetables and tobacco products?
The difference between demand for vegetables and tobacco products is the income elasticity of demand, which measures the relationship between a change in quantity demanded for good X and a change in real income. Vegetables are normal goods. They have a positive income elasticity of demand so as consumers' income rises more is demanded at each price. Tobacco products on the other hand are inferior goods because they have negative income elasticity of demand which means that demand falls as income rises.
Final answer:
The difference between demand for vegetables and tobacco products is influenced by elasticity, health consciousness, addiction, and regulation, with interventions like taxes and anti-smoking campaigns impacting the demand for tobacco.
Explanation:
The difference between demand for vegetables and tobacco products lies in the concept of elasticity of demand. When considering teenage smokers, the price elasticity of demand for tobacco is higher than that for the general population due to the proportion of income spent on tobacco.
For vegetables, the demand is influenced by factors like health consciousness, overall consumption patterns, and income levels. In contrast, tobacco demand is affected by addiction, social influences, and regulations imposed on its sales and marketing.
In addressing the demand for tobacco, interventions like increased taxes, anti-smoking campaigns, and public health programs can help reduce consumption levels. Such strategies aim to shift the demand curve for tobacco products to the left, thereby decreasing the quantity demanded.
Which factor does not commonly trigger mass movements?
removal of vegetation
saturation of surface materials with water
earthquakes
flat surfaces
The correct answer is - flat surfaces.
The flat surfaces are the safest ground where the mass movements of soil and other material are least likely to appear. This is due to the flatness itself. Every mass movement is going downwards, and that is a result of the gravitational pull, but on the flat surfaces the gravitational pull functions as a protector of the soil because it is all flat, and it is pulling downwards, thus the soil and the other material are stable in the place where they are and will for sure not be moving sideways.
The effects of EL Nino and La Nina on Africa's climate
During the june solstice the sun traces its shortest path across the local sky?
June solstice is the time when the Northern Hemisphere is tipped most specifically toward the Sun and gets the most direct daylight. It happens around June 21 (also called summer solstice) on the day where the Sun takes after its longest and most elevated way through the Northern Hemisphere sky and its shortest way through the Southern Hemisphere sky.
a method that uses a mathematical equation in the half-life of Decay to determine the exact date of a fossil is known as
________ is the dominant lava erupted from volcanoes on hawaii and iceland.
Population Density Map – Central and East Asia According to the map above, all of the following areas have a high population density except __________. A. the eastern coast of China B. Japan C. South Korea D. northern Mongolia
the answer is D. on edgenuitiy
Name at least four countries that possess islands in the caribbean sea
What country is the biggest advocate of the FTAA??
The biggest advocate of the FTAA is the United States.
The United States has historically been the biggest advocate of the Free Trade Area of the Americas (FTAA). The FTAA was a proposed agreement to eliminate or reduce the trade barriers among all countries in the Americas, excluding Cuba. The initiative was first proposed by the U.S. in the 1990s with the aim of creating a single market, similar to the European Union, that would encompass all of the Western Hemisphere. The U.S. pushed for the FTAA as a way to expand its trade relationships and to promote economic growth and integration in the region. Negotiations for the FTAA began in the late 1990s but faced significant opposition from various countries and interest groups, particularly those concerned about the impact on local industries, labor rights, and the environment. Despite efforts to reach an agreement, the FTAA was never realized, and the U.S. eventually shifted its focus to other trade agreements, such as the North American Free Trade Agreement (NAFTA) and its successor, the United States-Mexico-Canada Agreement (USMCA).
A sea is a body of water partially surrounded by land.
a. True
b. False
Answer:
FALSEEE!!!
Explanation:
When tectonic plates move, the cracks that occur are known as faults?