Question

our Earth is the only planet, which has environment and life on it.why?
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Answer 1

Explanation:

because we were hit by numerous comets and as comets contain ice our earth got water and living organism evolved

Answer 2

Answer:

To enable life, this most special of attributes, planet Earth has a number of ideal features. It is unique among planets in our solar system for having water in its liquid form at the surface, in an amount conducive to life evolving. ·