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Q.

What is the percentage of usable water for human consumption?


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a

97%

b

12%

c

3%

d

10% 

answer is C.

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Detailed Solution

The percentage of usable water for human consumption is 3%. Almost 70 per cent of the earth’s surface is covered by water, which is why the earth is also known as the Blue Planet. Even after this much water availability, water resources are significantly scarce as fresh water is comparatively much less than the salty water in the oceans. 97 per cent of water is unfit for human consumption, while only 3 per cent of water falls under the category of freshwater.
 
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