What
is
sewage?
Explain
why
it
is
harmful
to
discharge
untreated
sewage
into
rivers
or
seas.
Answers
EXPLANATION:-
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.
PLEASE FOLLOW ME AND GIVE ME STARS AS WELL AS MARK ME AS BRILLIANT
Wastewater from houses, Industries, hospitals etc. and rainwater that runs over land containing waste material like cans, plastics, excreta is called sewage.
It is harmful to discharge untreated sewage into rivers or any other water bodies as it has several dissolved and suspended impurities in it. It is important to dispose of the sewage properly because if it is not disposed off in lakes, rivers or seas without being treated then it can result in major health hazards for humans as well as animals.