CBSE  /  Class 8  /  Science  /  Pollution of Air and Water

  • 1. 
    Greenhouse effect is

  • 2. 
    Greenhouse gases includes

  • 3. 
    _____ is a commonly used chemical method for purifying water.

  • 4. 
    Ganga Action Plan is associated with

  • 5. 
    Van Mahotsav is

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