Question

what is sewage explain why it is harmful to disease discharge untreated seeage into rivers or seas ​

Answer 1

✌✌Hey, mate here is your 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.

Or

SeWage is a liquid containing waste.

Discharge of this sewage into rivers or any water bodies pollutes them and moreover this discharge of sewage is also the very first reason for the perishing of the aquatic life.

Hope this answer will help you..《《

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@1Angel25

Answer 2

Hii dear here is your answer.

Sewage is a liquid waste consists of wastewater from houses, offices, factories, hospitals etc. It is a complex mixture containing suspended solids, organic and inorganic impurities, nutrients, saprotrophic and disease causing bacteria other microbes.

If the untreated sewage is discharged into rivers and seas, it will cause water pollution and soil pollution, in which both the surface water get polluted. Ground water is a source of water for wells, tube wells, springs, and many rivers. Therefore, if it gets polluted, it becomes the most common route for water-borne disease like cholera, typhoid, polio, meningitis, malaria, dengue etc.

Hope it helps.

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