This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
the causes of water pollution are :
1. the release of industrial wastes in to water.
2. throwing of household wastes like wet wastes.
3. use of many pesticides.
4. use of chemicals are disposing them in water bodies.

hey I am really sorry I am unable to memorize other points.