Question

How is untreated sewage harmful?​

Answer 1

Answer:

• Sewage contains various contaminants including disease-causing bacteria and other microbes. ... If this contaminated water is used for drinking, then it can cause diseases such as cholera, typhoid, dysentery, etc. which may lead to death. That is why it is harmful to discharge untreated sewage into rivers or seas.

Explanation:

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Answer 2

Answer:

Sewage contains various contaminants including disease-causing bacteria and other microbes. ... If this contaminated water is used for drinking, then it can cause diseases such as cholera, typhoid, dysentery, etc. which may lead to death. That is why it is harmful to discharge untreated sewage into rivers or seas.

Explanation:

The above ones are the reason

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