what are the processes involved inn tthe purification of water?
Kindly refer to the following link:
https://www.meritnation.com/ask-answer/question/how-is-water-purified-before-it-is-supplied-to-homes/science/2881301
https://www.meritnation.com/ask-answer/question/how-is-water-purified-before-it-is-supplied-to-homes/science/2881301