A) much water available to us is not in the usable form
B) 97.4% of all available water is frozen in glaciers and polar ice caps
C) we cannot make use of water that is present in rivers and lakes
D) we cannot make use of rainwater.
Correct Answer: A
Solution :
Water is constantly circulating between the Earth and the air through water cycle, still, there is shortage of water at many places of the world because 97.4% of the total available water is in seas and oceans, which cannot be directly used by us due to its high salt content and about 2% water is frozen in glaciers and polar ice caps that is also not available to us. Thus, the remaining 0.6% is only available to us as freshwater in the liquid form.
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