Question

Why is there shortage of water even though almost three-fourths of the earth is covered with water?​

Answer 1

Answer:

because that three fourth water is not drinkable only 0.3 % is drinkable

Answer 2

Answer:

There shortage of water even though almost three-fourths of the earth is covered with water because 97.5% of water is sea and ocean water.

This water cannot be used directly as it has high salt content.

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