Question

How are rivers polluted? and How do we overcome it?
Write 5 lines about it.

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Answer 1

Answer:

following are the source of river pollution:

•untreated sewage discharged into river

•excessive use of fertilizer

• use of pesticides

•industrial waste discharged into river

way through which we can prevent pollution of river:

•proper treatment of sewage to make them harmless before discharging them into river

•lesser use of fertilizer and pesticides

•proper treatment of industrial waste to make them harmless before discharging them into river