Question

What are the different ways by which water gets contaminated?

Answer 1

different ways
1.when sewage is disposed off the river.
2.harmful chemicals used in processes gets mixed with water.
3.Throwing of chemical wastes that are harmful and poisonous.

Answer 2

Explanation:

the different ways in which water gets contaminated are.

first discharge untreated domestic sewage into rivers bed causes water pollution .

second excessive use of fertilizers and pesticides in agriculture also causes water pollution.

third throwing Chemical waste into water .

fourth allowing sewage water into the water bodies.

fifth discharge of toxic wastes from factories and rifinaries.

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