Question

Why does earth is
called 'Blue Planet'?
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Answer 1

Answer:

The earth is called Blue planet because of abundance of water on earth's surface.water bodies includ 71%of earth surface.

Answer 2

Answer:-

The Earth is called the 'Blue Planet' because about three - fourth (¾) of its surface is covered with water. Thus, from outside (say 'Moon'), it looks a blue coloured sphere. Thus it is known as the Blue Planet.