Question

why is earth a unique planet? ​

Answer 1

Answer:

Earth is special because it is an ocean planet. Water covers 70 percent of Earth's surface. Earth's atmosphere is made mostly of nitrogen and has plenty of oxygen for us to breathe. The atmosphere also protects us from incoming meteoroids, most of which break up before they can hit the surface.

Explanation:

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Answer 2

Earth is a unique planet because it is the only planet where life exists.