Question

what are the main factors of river pollution in India any three points.

Answer 1

1) Releasing of untreated sewage waste into the rivers
2) Passage of pesticide rich water from crop fields
3) Release of toxic industrial waste

Answer 2

fertilizers from the fields find their way to water bodies

untreated wastes from factories containing harmful chemicals are dumped into water bodies

sewage from the towns and cities are dumped into rivers or lakes which contains dirt & may become a cause in increase of breeding of various insects