Atmosphere Composition and Layers
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Questions and Answers

What is the primary force that holds the atmosphere in place?

  • Gravity (correct)
  • Solar wind
  • Wind
  • Magnetic field

What is the name of the layer of the atmosphere where weather occurs?

  • Troposphere (correct)
  • Stratosphere
  • Thermosphere
  • Mesosphere

What percentage of the atmosphere's water vapor is contained in the troposphere?

  • 100%
  • 99% (correct)
  • 50%
  • 75%

What is the name of the layer of the atmosphere that contains the ozone layer?

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

What is the function of the mesosphere?

<p>To burn up meteors (A)</p> Signup and view all the answers

What is the height range of the thermosphere?

<p>50-440 miles (A)</p> Signup and view all the answers

What is located in the thermosphere?

<p>The International Space Station's orbit (A)</p> Signup and view all the answers

Which layer of the atmosphere is where the atmosphere merges with outer space?

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

What percentage of the atmosphere is made up of nitrogen gas?

<p>78% (A)</p> Signup and view all the answers

What is the purpose of the ozone layer?

<p>To protect Earth from ultraviolet light (A)</p> Signup and view all the answers

What is the result of the greenhouse effect?

<p>An increase in Earth's temperature (B)</p> Signup and view all the answers

What is the main reason for the depletion of the ozone layer?

<p>The use of chlorofluorocarbons (CFC's) (A)</p> Signup and view all the answers

What is the percentage of oxygen gas in the atmosphere?

<p>20.95% (A)</p> Signup and view all the answers

What is the term used to describe the artificial increase in Earth's average temperature?

<p>Global warming (A)</p> Signup and view all the answers

Where do most of Earth's satellites orbit?

<p>Exosphere (A)</p> Signup and view all the answers

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