Answers

2014-08-26T22:20:22+05:30
Dumping of wastes-
1) Industrial wastes and medical wastes toxify the water.....
2) domestic waste and sewage waste end up in the rivers, ponds, lakes making them unfit to call them as water..
3) villagers use riverbeds to wash animal waste, take bath, recreation, dumping of other animal excreta along with dead bodies
4) all the above causes kills marine life and the unchecked dead marine life also stay dumped in the waters.......

thermal pollution-
industries throw hot , toxified liquids into water bodies
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2014-08-26T22:45:16+05:30
THE CAUSES OF WATER POLLUTION ARE:
1) Marine dumping
2) Radioactive waste
3) Accidental Oil Leakage
4)Industrial Waste
5) Sewage and waste water
6) Burning of fossil fuels
7) Leakage from sewer lines
8) Mining Activities
There are many other causes of water pollution. Hope you liked my answer!


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