why does life exist only on the earth?

18-06-2016 5 Answers
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because oxygen available on the earth.

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who know, it might be existed on the other planets or stars as well.

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because god wants.

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our ancestors never thought about the technology we are experiencing and developing....you we dont know what might be there in the cosmos. oxygen is not the factor for life.who knows , there may be a planet where the organisma are adapted to some other gases for survival. as its oxygen for us , it can be someother gas for them. and the thing one said that we exist because god wants us to is bull shit

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because which substance and facilities are urgent for survive on earth those are not present on the other planet

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