Answers

2014-06-19T12:36:26+05:30
Because here atmosphere exists in which a living organism can survive
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2014-06-19T12:38:13+05:30
the earth is known as the unique planet bcoz the 2-3rd part of the earth surace is covered with water which is very important for the living being..and bcoz of the atmosphere etc.....
hpo u like it plz make it the best................
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soo it is right shipra and the answer given by paras i think is wrong
k but I know the answer and that is IT IS THE ONLY PLANET THAT SUPPORTS LIFE
many more things can be mentioned
yes u r right manvirsaini96
not just water present on it makes it unique