Question

Home work
ہے ۔
3 How con
the industrial
polution of fress water be reduce​

Answer 1

Answer:

(i) Minimising use of water for processing by reusing and recycling it in two or more successive stages.

(ii) Harvesting of rainwater to meet water requirements.

(iii) Treatment of hotwater and affluents before releasing them in rivers and ponds.

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