Question

HEY PLEASE Answer This Question .
I WILL MARK AS BRAINLIEST TO THE BEST.

Answer 1

Heya ,

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●Main causes of river pollution-

1-Sewage- This contains waste water from our household and other domestic waste dumped into water bodies.

2- Industrial waste- This includes wastes discharged from factories, refineries into the water bodies. These wastes contains harmful chemicals such as alkalis, acids etc. and toxic metals like mercury, arsenic etc. Which kills the aquatic life.

3- Oil spills- Oils released from oil drums which are accidentally discharged from ships into the water bodies.

4- Agricultural run off- This is the waste water released from agricultural field which contains pesticides and fertilizers that affects the aquatic life.

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