Question

Drains get blocked by Coolingo
and fat
2. What is sewage? Explain why it is harmful to discharge untreated
sewage into rivers or seas.
3. Why should oils and fats be not
rain? Explain​

Answer 1

Answer:

sewage is waste matter such as farces or dirty water from home factories.

Explanation:

it is harmful to discharge untreated sewage into rivet or seas because it can pollute the hole water

Answer 2

Question :-

What is sewage? Explain why it is harmful to discharge untreated sewage into rivers or seas.

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Answer :-

Sewage is a liquid containing wastes which is disposed by households, industrial and agricultural activities in water. It is harmful to discharge untreated sewage into rivers or seas because it can pollute the whole sources of water.

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