Question

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

Answer 1

sewage is a canal in which wastes are dispose from our homes and industry. it should not discharge in River coz this is waste and contain hazardous waste so this pollute the water bodies.

hope this helps :-)

Answer 2

Here Is your Answer
( sewage is a type of waste water that is produced from a community of people )
it's harmfull Beacouse sewage water consist of chemical and toxic constituents.


HOPE IT'S HELPFULL