what is water pollution?what is the harmfull affects of it?and how it is prevented
Kindly refer to the following links:
https://www.meritnation.com/ask-answer/question/what-is-water-pollution-write-four-main-sources-of-pollutio/drainage/9378359
https://www.meritnation.com/ask-answer/question/write-down-the-main-cause-of-water-pollution/water-resources/9373441
https://www.meritnation.com/ask-answer/question/q1-name-two-measure-that-can-be-taken-to-reduce-water-pall/natural-resources/747529