Question

Why Earth is called blue planet​

Answer 1

Explanation:

Earth is the only planet in our solar system that has a large amount of liquid water. About 74% of the surface of Earth is covered by liquid or frozen water. Because of this, people sometimes call it the blue planet. Because of its water, Earth is home to millions of species of plants and animals.

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Answer 2

Explanation:

earth is called as blue planet because more than half of the earth is filled up of water