Question

Write about role of rivers and river pollution with examples. ​

Answer 1

Answer:

Chemical waste products from industrial processes are sometimes accidentally discharged into rivers. Examples of such pollutants include cyanide, zinc, lead, copper, cadmium and mercury. ... Dirty water containing chemicals is put back in the river. Water used for cooling is warmer than the river itself.

Explanation:

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Answer 2

Answer:

Rivers are important for the country's economy because water from the rivers is a basic natural resource essential for various human activities. The rivers provide water for irrigation. 2. They provide fertility to the soil.

Chemical waste products from industrial processes are sometimes accidentally discharged into rivers. Examples of such pollutants include cyanide, zinc, lead, copper, cadmium and mercury. Factories use water from rivers to power machinery or to cool down machinery.