Question

1. Why is the Earth called a unique planet?
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Answer 1

Answer:

Conditions favourable to supporting life are only to be found on earth. The earth is neither too hot nor too cold. There are water and air in it, which are very important for our survival.

Explanation:

please follow m

Answer 2

Answer:

since life exists only in earth and lifeforms had appeared due earths unique character like oxygen, water, protection from uv rays and etc..