Question

what is sewage ? explain what is it harmful to discharge untreated sewage into rivers or seas ??​

Answer 1

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. Sewage contains harmful substances and disease causing organisms.

Explanation:

Hope its helpful

Answer 2

Explanation:

•Sewage is waste water released by homes,offices,factories, ect.

Waste Carrie's harmful substances in it. It has dissolved and suspended impurities also,if this water is discharge untreated, it can cause many diseases like typhoid,jaundice,dysentery,etc.Also it can cause soil pollution thus it is harmful to release it in rivers,sea,etc.

I hope it will helps you. ❣♥️❣

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