Science

7th

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Layers of Atmosphere

944

11 questions

  • 1. Multiple Choice
    30 seconds
    1 pt

    78% of the Earth's atmosphere is ___________ and 21% of the Earth's atmosphere is _____________.

    Oxygen, Nitrogen

    Nitrogen, Oxygen

    Nitrogen, Carbon Dioxide

    Oxygen, Carbon Dioxide

  • 2. Multiple Choice
    30 seconds
    1 pt

    In what layer of the atmosphere do all weather events occur?

    Stratosphere

    Exosphere

    Mesosphere

    Troposphere

  • 3. Multiple Choice
    30 seconds
    1 pt

    In the troposphere, the temperature _____ as altitude increases.

    Increases

    Decreases

    Stays the same

    Goes up and down

  • Answer choices
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    Answer choices
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