Biology, asked by Fehadkhan, 3 months ago

why sewage should be treated before releasing in water bodies

Answers

Answered by vermageeta828

Explanation:

Sewage water contains harmful substances. ... So, when sewage is discharged untreated into rivers or seas, it becomes dangerous for aquatic plants and animals. Therefore, it is necessary to treat sewage before disposing it off in a water body as it can cause harm to human and aquatic life.

Answered by misbanabi284

Answer:

Seewage contains harmful substances like chemicals pesticides insecticides fertilizers etc. So when the seewage is released untreated in water bodies these harmful subs get mixed with water which may cause harm to aquatic life.

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