Question

If you wish to contribute in reducing water pollution, which practice should you not follow?
i. Not bathing, washing clothes and utensils directly in water body
ii. Taking bus to school
iii. Avoiding using excessive chemicals in crop fields
iv. Not throw chemicals, oils, paints and medicines down the sink drain​

Answer 1

I think there should be another option that's says both (I) and (4)

If there is no other option like that so (ii) should be the ans (4)

Hope it helps

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