Science

6th -

9thgrade

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Air Pollution

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10 questions

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  • 1. Multiple Choice
    45 seconds
    1 pt

    Choose the correct examples of air pollutants

    oxygen

    carbon monoxide

    chlorofluorocarbon

    smoke

    hydrogen

  • 2. Multiple Choice
    45 seconds
    1 pt

    Which pollutants come from exhaust of vehicles?

    chlorofluorocarbon

    smoke

    carbon monoxide

    radioactive carbon

    nitrogen dioxide

  • 3. Multiple Choice
    45 seconds
    1 pt

    Which are the sources of chlorofluorocarbon?

    refrigerator

    agriculture

    power plant

    air conditioner

    aerosol spray

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