Question

The earth is called a blue planet because of the presence of
(a) water
(b) blue colour
(c) brown colour
(d) red colour

Answer 1

Answer:

Explanation: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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Answer 2

Answer:

water

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earth is known as blue planet because two -third of the Earth surface is covered with water i.e. oceans, rivers,seas and various water bodies.

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