8th Class Science Pollution of Air and Water

  • question_answer 1)
    What are the different ways in which water gets contaminated?  

    Answer:

    Water gets contaminated by following ways: (i) Water gets contaminated when sewage is disposed off in rivers. (ii) Chemicals which are harmful and poisonous are thrown in water resources by various industrial units. (iii) Harmful chemicals used in agricultural processes gets mixed with ground water making it unfit for consumption. (iv) Breeding of microorganisms in water make water polluted.  


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