Q.2. What is sewage? Explain why it is harmful to discharge untreated sewage into rivers or seas.

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Pawan Prajapati · Answer

Ans. 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. Sewage contains harmful substances and disease causing organisms. It is therefore dangerous to release untreated sewage in water.

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Q.2. What is sewage? Explain why it is harmful to discharge untreated sewage into rivers or seas.

Q.2. What is sewage? Explain why it is harmful to discharge untreated sewage into rivers or seas.

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Q.2. What is sewage? Explain why it is harmful to discharge untreated sewage into rivers or seas.

Q.2. What is sewage? Explain why it is harmful to discharge untreated sewage into rivers or seas.

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