Question

why is earth known as a unique planet​

Answer 1

The word unique means entirely different from others.

As we know know other planet has life on it except earth .

There is no water source on any other planet except earth.

we have vegetation on planet earth but not on any other plant.

Mostly we have oxygen on earth which we will not find on other planets.

so that is why earth is called as unique planet..

Answer 2

Answer:

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why is earth known as a unique planet

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The earth is called a unique planet because:-

It is the only planet which has favorable conditions that support life.

It is neither too hot nor too cold.