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1)when the water gets contaminated with harmful chemicals it becomes polluted and this is known as water pollution
2)diarreha ,cholera
3)water pollution is caused by factories or tribes on the banks of river they use water to wash their cloths and animals
4)we can purify water by physical or chemical methods
5)drinking water is also known as potable water
2)diarreha ,cholera
3)water pollution is caused by factories or tribes on the banks of river they use water to wash their cloths and animals
4)we can purify water by physical or chemical methods
5)drinking water is also known as potable water
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