Science

7th

grade

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Waste Water Story

50
plays

7 questions

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  • minerals

    pollutants

    water

    oxygen

  • 2. Multiple Choice
    30 seconds
    1 pt

    2. When is World Water Day celebrated ?

    22 April

    24 March

    24 April

    22 March

  • 3. Multiple Choice
    10 seconds
    1 pt

    3. _______ Are present every 50m-60m in a sewerage

    Manholes

    Openings to water bodies

    Treatment Plants

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