Question

What is sewage? why is it harmful to discharge untreated sewage into rivers or ocean?

Answer 1

Answer:

⭕ Sewage is a type of wastewater that is produced by a community of People. It is characterized by volume or rate of flow , physical condition , chemical and toxic constituents.

⭕ It consists mostly of greywater , blackwater , soaps and detergents and toilet paper.

⭕ It is harmful to discharge untreated Sewage into rivers, oceans or seas because :-

# It can pollute the whole sources of water.

# sewage contains harmful substances and disease causing organisms.

# it can cause harm to aquatic life.

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Answer 2

The water which is waste and contains waste materials like urine is called sewage.It is harmful to discharge untreated sewage into rivers or oceans as they contain some chemicals and waste which affects the water,aquatic life and in return humans.




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