Answers

2015-10-23T18:40:05+05:30

This Is a Certified Answer

×
Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Life exists only on earth as well as gases useful for life like oxygen are available in this planet alone. therefore it is called as unique planet.. and it is also known as blue planet because 70% of earth is surrounded by water...
0
2015-10-25T10:35:07+05:30

This Is a Certified Answer

×
Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Earth is called unique planet because it is the only planet in our solar system on which life exists . It is the only planet on which favourable conditions of life present , It is the only planet on which water is present ,
0