Geography Chapter 4: Atmosphere Study Material

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Questions and Answers

Which layer of the atmosphere is most important for weather phenomena like rainfall and fog?

  • Mesosphere
  • Thermosphere
  • Troposphere (correct)
  • Stratosphere

Which layer of the atmosphere contains a layer of ozone gas that protects us from harmful sun rays?

  • Stratosphere (correct)
  • Exosphere
  • Mesosphere
  • Troposphere

What is defined as the pressure exerted by the weight of air on the earth's surface?

  • Insolation
  • Humidity
  • Air Pressure (correct)
  • Temperature

What type of area is associated with high pressure in terms of weather conditions?

<p>Clear and sunny skies (B)</p> Signup and view all the answers

What is the typical movement of air in relation to air pressure areas?

<p>Downward from high pressure to low pressure areas (B)</p> Signup and view all the answers

What is the composition of the Earth's atmosphere primarily made up of?

<p>Nitrogen (C)</p> Signup and view all the answers

Which gas in the atmosphere is essential for plants but needs to be converted by bacteria before plants can use it?

<p>Nitrogen (B)</p> Signup and view all the answers

How do green plants contribute to the oxygen content in the air?

<p>By producing oxygen during photosynthesis (B)</p> Signup and view all the answers

What happens when there is an increased volume of carbon dioxide in the atmosphere due to burning fuels like coal and oil?

<p>Affects the earth's weather and climate (D)</p> Signup and view all the answers

Which gas is present in the atmosphere in lesser quantities compared to nitrogen and oxygen, but still plays a role in the atmosphere's composition?

<p>Argon (D)</p> Signup and view all the answers

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