Question

Give reason: Though water covers 71% of the Earth, very little can be used by humans

#Kimberly

Answer 1

because out of 71 % of water the 3 % f water is only pure and other Is salty

Answer 2

Heya!!

Though water covers 71% of the Earth, making it a Blue Planet, 97% of the Earth’s water is found in the ocean and it is salty. Two per cent of the water is found in the form of glaciers and ice sheets.  Only 1% of the fresh water is found in liquid form on the surface of the Earth and as underground streams. This makes fresh water a critical resource. In many places the water is also polluted making it really scarce for humans.

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Hope it helps!!