Science

8th

grade

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POLLUTION OF AIR AND WATER

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  • 1. Multiple Choice
    30 seconds
    1 pt

    WHICH GAS EXIST 21% IN ATMOSPHERE

    OXYGEN

    CARBON DIOXIDE

    MONOXIED DIOXIDE

    NITROGEN

  • 2. Multiple Choice
    30 seconds
    1 pt

    THE SUBSTANCES, WHICH CONTAMINATE THE AIR, ARE CALLED __________

    AIR POLLUTION

    AIR POLLUTANTS

    AIR COMPONENTS

    POLLUTION

  • 3. Multiple Choice
    30 seconds
    1 pt

    ___________IS PRODUCED FROM INCOMPLETE BURNING OF FULE SUCH AS PETROL AND DIESEL

    CARBON MONOXIDE

    CARBON SUBOXIDE

    CARBON TRIOXIDE

    NONE OF THESE

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