Carbon Dioxide Levels and Sources Quiz
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Questions and Answers

Which layer of the atmosphere is known as the ionosphere?

  • Exosphere
  • Mesosphere
  • Stratosphere
  • Thermosphere (correct)
  • In which layer of the atmosphere do temperatures often reach 2000 degrees Celsius or more?

  • Mesosphere
  • Thermosphere (correct)
  • Troposphere
  • Stratosphere
  • Which layer of the atmosphere extends from the upper limit of the thermosphere into space?

  • Exosphere (correct)
  • Mesosphere
  • Stratosphere
  • Troposphere
  • What is the main reason for the extremely low density in the exosphere?

    <p>Lack of gravitational force</p> Signup and view all the answers

    Which layer of the atmosphere contains the layer where compression results in denser air near the base?

    <p>Troposphere</p> Signup and view all the answers

    What is the consequence of compressibility that leads to a nonlinear trend in both pressure and atmospheric density with altitude?

    <p>Change in air density</p> Signup and view all the answers

    What is the primary role of the ozone layer in the stratosphere?

    <p>Absorbing harmful UV radiation from the Sun</p> Signup and view all the answers

    Why do airplanes and weather balloons often fly in the lower part of the stratosphere?

    <p>For its stability and lack of weather disturbances</p> Signup and view all the answers

    Which layer of the atmosphere is responsible for meteors burning up and creating shooting stars?

    <p>Mesosphere</p> Signup and view all the answers

    What is the temperature trend with increasing altitude in the mesosphere?

    <p>Temperature decreases</p> Signup and view all the answers

    What happens when oxygen molecules (O2) in the stratosphere absorb UV radiation?

    <p>They dissociate to give atomic oxygen (O)</p> Signup and view all the answers

    What is the top of the stratosphere known as?

    <p>Stratopause</p> Signup and view all the answers

    Which gas has a residence time of around 10 years and is known for its high potential for greenhouse warming?

    <p>Methane (CH4)</p> Signup and view all the answers

    What is a significant contributor to climate change and responsible for a portion of global warming?

    <p>Atmospheric chemical reactions</p> Signup and view all the answers

    Which process can increase ozone concentration near Earth's surface in polluted air?

    <p>Chemical reactions in polluted air</p> Signup and view all the answers

    What is the main source of carbon dioxide emissions due to human activities?

    <p>Combustion</p> Signup and view all the answers

    Which natural process can lead to seasonal oscillations in carbon dioxide concentrations?

    <p>Organic decay</p> Signup and view all the answers

    What is the primary role of ozone in the stratosphere?

    <p>Absorbing harmful ultraviolet (UV) radiation</p> Signup and view all the answers

    What is the function of carbon dioxide in the Earth's atmosphere?

    <p>Captures heat, leading to the greenhouse effect</p> Signup and view all the answers

    Which gas is known for its low reactivity and unique properties?

    <p>Helium</p> Signup and view all the answers

    What is the main source of Argon in the atmosphere?

    <p>Radioactive decay of potassium in rocks</p> Signup and view all the answers

    Which gas has a residence time of around 150 years in the atmosphere?

    <p>Carbon Dioxide</p> Signup and view all the answers

    How do variable gases differ from noble gases?

    <p>Variable gases are highly reactive, while noble gases are not reactive</p> Signup and view all the answers

    Which of the following gases contributes to climate change?

    <p>Carbon Dioxide</p> Signup and view all the answers

    What is the residence time of water vapor in the atmosphere?

    <p>10 days</p> Signup and view all the answers

    Which of the following is true about water vapor?

    <p>It is the gaseous phase of water</p> Signup and view all the answers

    Where is the atmospheric concentration of water vapor the highest?

    <p>Near ocean surface in tropics</p> Signup and view all the answers

    What is the typical lifespan of aerosols in the atmosphere?

    <p>Days to weeks</p> Signup and view all the answers

    Which primary source contributes to aerosols in the atmosphere?

    <p>Natural sources</p> Signup and view all the answers

    Why do aerosols act as cloud condensation nuclei?

    <p>They provide a surface for water vapor to condense on</p> Signup and view all the answers

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