Question

what are the main cause of increase water pollution

Answer 1

heya....
here is ur ans
dumping the wastes in rivers,ponds and lakes
bathing of animals in them
throwing industrial waste in rivers...

hope it helps

Answer 2

the main causes are :-
1) the industries are removing there waste products directly into the river
2)we all people pollute river by many beliefs which causes water pollution
3)global warming is even indirectly polluting river

hope it will work