Answers

2015-10-20T21:37:37+05:30
1.waste water from households
2.factories and industrial waste which contains harmful substances are joined to the nearby river or water source
3.agricultural waste which contains chemicals from pesticides and fertilizers.

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2015-10-20T21:42:20+05:30
The sources of water pollution are:
factories- they are the main source of the pollution, they release harmful chemicals in the water bodies.
agriculture- pesticides, fertilizers etc..
human usage-taking bath,washing clothes,and other household activities.
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