Question

why the earth called blue planet

Answer 1

Earth is called a blue planet coz....

Most of the earth ie.three-forth of the earth is covered with water but majority of it is salty water which is not in usable form

Answer 2

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ANSWER :

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Earth is known as the 'blue planet' because of the vast oceans that cover two-thirds of its surface. When seen from space, our world looks like a pale blue dot.

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