Question

Why the earth is often called blue planet

Answer 1

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

Answer:

As our earth is covered with about 79%water bodies and from the outside of our atmosphere it's seems blue in colors hence our earth often called as blue planet

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