Question

Although about two thirds of the earths surface is covered with waterbut very little can be used by us. Why?

Answer 1

2/3 of earths surface is covered by water but only 3% of it is fresh water ....and out of that 70%(approx.) is frozen as glaciers and snow .therefore there is very little to use

Answer 2

Answer:

Because The remaining water is salty

Explanation:

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