Social Studies

9th

grade

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Atmosphere

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  • Multiple Choice
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    30 seconds
    1 pt
    Earth's current atmosphere is
    78% nitrogen, 21% oxygen, 0.9% argon and 0.037% carbon dioxide
    78% oxygen, 21%nitrogen, 0.9% argon, 0.037% carbon dioxide
    78% nitrogen, 21% argon, 1% oxygen
    78% oxygen, 21% nitrogen, 1% carbon dioxide
  • Multiple Choice
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    30 seconds
    1 pt
    The layers of the atmosphere in order from bottom to top are
    troposphere, stratosphere, mesosphere, thermosphere, exosphere
    troposphere, mesosphere, atmosphere, thermosphere
    mesosphere, thermosphere, troposphere, stratosphere, exosphere
    thermosphere, stratosphere, mesosphere, troposphere, exosphere
  • Multiple Choice
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    30 seconds
    1 pt
    The layer of the atmosphere containing the ozone layer is
    troposphere
    stratosphere
    thermosphere
    mesosphere
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