Question

about three fourth of the Earth is covered by_______?
fill in the blanks​

Answer 1

your answer is bio sphere

Explanation:

hope it's helpful

Answer 2

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About three fourth of the Earth is covered by Water.

Because,

Nearly three-fourths of the earth's surface is covered with water. 97% of the water on the Earth is salt water and only three percent is fresh water. Slightly over two thirds of the fresh water is frozen in glaciers and polar ice caps.