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AIR ENVIRONMENT

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10 questions

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  • 1. Fill in the Blank
    1 minute
    1 pt

    ______is a mixture of gases and consists one of the main life-sustaining gas called oxygen.

  • 2. Multiple Choice
    20 seconds
    1 pt

    Which is the presence of substances in the atmosphere that are harmful to the health of humans and other living beings, or cause damage to the climate or to materials?

    Air pollution

    Water pollution

    Noise pollution

    Land pollution

  • 3. Open Ended
    2 minutes
    Ungraded

    Give one source of indoor air pollution

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