Question

which is major source of water pollution write any three measures that can be taken to check pollution by sewerage​

Answer 1

Answer:

Here is the answer:

Explanation:

1) Growing domestic, municipal, industrial and agricultural demand affect water quality.

2) Heavy load of untreated sewage and industrial effluents are dumped into rivers.

3) Increasing urbanization and industrialization increases pollution level.

-Some solutions are:

1)Treating sewage in water treatment plants

2)Reducing use of plastic

3)Avoid using toilet as waste- bin

4)Buy more environmentally safe cleaning liquids for use

5)Don't throw garbage anywhere outside

Answer 2

There are mainly 2 types of contamination

. Direct method of contamination

Such as factories waste, sewage etc............

. Indirect method of contamination

Such as Fertilisers from soil, acid rain etc.................

Hope it helps you

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