Other Sciences

7th -

8thgrade

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Earth's Atmosphere

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13 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt
    What is the most common gas in the atmosphere?
    nitrogen
    oxygen
    water vapor
    carbon dioxide
  • 2. Multiple Choice
    30 seconds
    1 pt
    Oxygen makes up approximately ____% of the gases in the atmosphere.
    20
    40
    60
    80
  • 3. Multiple Choice
    30 seconds
    1 pt
    What decreases with altitude throughout Earth's atmosphere?
    density
    pressure
    density and pressure
    temperature and density
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