Question

please answer in brief :

Answer 1

the causes of river pollution are that we drain polluted Water in the river we throw garbage in the river we deposit idols on the river we wash cloth and common thing in the river

Answer 2

Heya! ☺
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River get polluted because of increasing of industries in which harmful chemical come into river. Throwing of garbage by human being .
Animal and human dung enter in river. It is also get polluted by bathing ,washing of clothes etc .Ex -ganga isca polluted river.
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HOPE it helped

#RESHAV 1