Science, asked by rbangar2001, 9 months ago

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

Answers

Answered by Anonymous

Answer:

sewage is wastewater release my homes ,Industries, hospitals officers and other users sewage is harmful if discharge untreated into rivers or Seas because is a complex mixture of suspended solids organic or inorganic impurities, nutrients, saprotropic and diseases causing bacteria and other microbes

Answered by shanthikod

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 organism

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