Layers Of Atmosphere Review

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  • 1/13 Questions

    Which layer of the atmosphere is best described by the following: layer of the atmosphere where weather occurs, has the highest air pressure and density 

    • Troposphere
    • Stratosphere
    • Mesophere
    • Exosphere
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About This Quiz

Explore the complexities of Earth's atmosphere with the 'Layers of Atmosphere Review'. This quiz assesses knowledge on atmospheric layers, their composition, and environmental impacts on air quality, providing essential insights for learners interested in environmental and earth sciences.

Layers Of Atmosphere Review - Quiz

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  • 2. 

    Which of the following statements would be FALSE?

    • The Earth's atmosphere has changed naturally over time

    • The Earth's atmosphere does not change

    • Human activities have caused significant changes in the Earth's atmosphere

    • Living things must adapt to changes within the Earth's atmosphere

    Correct Answer
    A. The Earth's atmosphere does not change
    Explanation
    The given statement that "The Earth's atmosphere does not change" would be false. This is because the Earth's atmosphere is constantly changing due to various natural processes such as volcanic activity, weather patterns, and the carbon cycle. Additionally, human activities, such as the burning of fossil fuels, have also led to significant changes in the Earth's atmosphere, particularly in terms of increased greenhouse gas emissions and global warming. Living things, including humans, must adapt to these changes in order to survive and thrive in the Earth's ever-changing atmosphere.

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  • 3. 

    Which layer of the atmosphere fits the description below: sits on the edge of space, lowest air pressure and density

    • Troposphere

    • Meosphere

    • Thermosphere

    • Exosphere

    Correct Answer
    A. Exosphere
    Explanation
    The exosphere is the layer of the atmosphere that sits on the edge of space and has the lowest air pressure and density. It is the outermost layer of the atmosphere and extends from about 500 kilometers above the Earth's surface to the edge of space. In this layer, the few gas molecules that are present are very spread out, resulting in extremely low air pressure and density.

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  • 4. 

    Which of the following would be the most abundant atmospheric component?

    • Oxygen

    • Carbon dioxide

    • Nitrogen

    • Argon

    Correct Answer
    A. Nitrogen
    Explanation
    Nitrogen would be the most abundant atmospheric component because it makes up about 78% of Earth's atmosphere. Oxygen, carbon dioxide, and argon are present in much smaller quantities.

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  • 5. 

    Scientists from the EPA (Environmental Protection Agency) are concerned about air quality. Which substance that is found to be present in the atmosphere, would provide evidence of poor air quality? 

    • Argon

    • Oxygen

    • Nitrogen

    • CFC's

    Correct Answer
    A. CFC's
    Explanation
    CFC's (Chlorofluorocarbons) would provide evidence of poor air quality because they are synthetic chemicals that have been widely used in aerosol propellants, refrigerants, and solvents. CFC's are known to deplete the ozone layer and contribute to global warming. Their presence in the atmosphere indicates a high level of pollution and poor air quality.

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  • 6. 

    Which of the following is the only list representing natural components of the atmosphere?

    • Dust, argon, smog

    • Pollen, oxygen, carbon dioxide

    • Pollen, sulfuric acid, smog

    • Dust, oxygen, sulfuric acids

    Correct Answer
    A. Pollen, oxygen, carbon dioxide
    Explanation
    The correct answer is pollen, oxygen, carbon dioxide. Pollen is a natural component of the atmosphere, as it is released by plants for reproduction. Oxygen is also a natural component, as it is produced by plants through photosynthesis. Carbon dioxide is naturally present in the atmosphere and is essential for plant growth. Dust, argon, smog, sulfuric acid are not natural components of the atmosphere, as they are either pollutants or man-made substances.

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  • 7. 

    What is the relationship between altitude and air density within the Earth's atmosphere?

    • As altitude increases, air density decreases

    • As altitude increases, air density increases

    • As altitude increases, air density remains the same

    • There is no relationship between altitude and air density with the Earth's atmosphere

    Correct Answer
    A. As altitude increases, air density decreases
    Explanation
    As altitude increases, the air density decreases because the higher you go in the Earth's atmosphere, the less air there is above you. This means that there are fewer air molecules per unit volume, leading to a decrease in air density.

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  • 8. 

    What's the name of the lower atmosphere that contains the greenhouse gases?

    • Mesosphere

    • Troposphere

    • Exosphere

    • Atmosphere

    Correct Answer
    A. Troposphere
    Explanation
    The correct answer is Troposphere. The troposphere is the lowest layer of Earth's atmosphere, extending from the surface up to about 10-15 kilometers. It is where weather occurs and contains the majority of Earth's greenhouse gases, such as carbon dioxide, methane, and water vapor. These greenhouse gases trap heat from the sun, contributing to the greenhouse effect and global warming.

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  • 9. 

    Why does the troposphere experience the greatest amount of atmospheric pressure compared to the other atmospheric layers?

    • It produces the ozone layer

    • It has the highest temperatures

    • It contains a high concentration of gas particles

    • It is the region in which weather occurs

    Correct Answer
    A. It contains a high concentration of gas particles
    Explanation
    The troposphere experiences the greatest amount of atmospheric pressure compared to the other atmospheric layers because it contains a high concentration of gas particles. The weight of the gas molecules above exerts pressure on the gas molecules below, and since the troposphere is closest to the Earth's surface, it contains the highest concentration of gas particles. This leads to a higher density of molecules and, consequently, a higher atmospheric pressure in the troposphere.

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  • 10. 

    When scientists issue an alert about harmful levels of high ozone, what level of the atmosphere are they concerned about? 

    • Troposphere

    • Stratosphere

    • Mesosphere

    • Thermosphere

    Correct Answer
    A. Stratosphere
    Explanation
    Scientists are concerned about the stratosphere when issuing an alert about harmful levels of high ozone. The stratosphere is the second layer of the Earth's atmosphere, located above the troposphere. It contains the ozone layer, which plays a crucial role in protecting the Earth from harmful ultraviolet radiation. When ozone levels in the stratosphere are high, it can lead to negative effects such as increased risk of skin cancer and damage to ecosystems. Therefore, scientists closely monitor and issue alerts to protect human health and the environment.

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  • 11. 

    Why does the troposphere experience the greatest amount of atmospheric pressure compared to the other atmospheric layers?

    • It produces the ozone layer

    • It has the highest temperatures

    • It contains a high concentration of gas particles

    • It is the region in which weather occurs

    Correct Answer
    A. It contains a high concentration of gas particles
    Explanation
    The troposphere experiences the greatest amount of atmospheric pressure compared to the other atmospheric layers because it contains a high concentration of gas particles. The weight of the air above the troposphere pushes down on the gas particles in the lower atmosphere, leading to higher pressure. This layer is where weather occurs and where most of the Earth's air mass is located, resulting in a higher concentration of gas particles and therefore higher atmospheric pressure.

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  • 12. 

    What do greenhouse gases do in our atmosphere?

    • These gases absorb the sun heat & emits radiant energy

    • These gases keep all the air within the Earth

    • Increases the Earth's temperature

    • It makes the Earth cooler

    Correct Answer
    A. These gases absorb the sun heat & emits radiant energy
    Explanation
    Greenhouse gases in our atmosphere absorb the heat from the sun and then emit radiant energy. This process is known as the greenhouse effect. The absorption of heat by these gases helps to warm the Earth's surface and atmosphere, contributing to the overall increase in the Earth's temperature.

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  • Current Version
  • Aug 16, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 09, 2019
    Quiz Created by
    Michelle BYRD
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