Answers

2015-12-23T20:57:09+05:30
 Earth is a unique planet in the solar system by two important aspects.
1.it is the only planet with an atmosphere,that is,has water and oxygen in it.
2.its the only planet with living beings of all species.
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2015-12-23T21:00:00+05:30
Earth is unique because it is the only planet which exists life.It has air,water ,soil and all the other things which a human needs to survive.It is the third nearest planet from the sun so it is neither too hot nor too cold..
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