How did life begin?????????????
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Big bang
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life began after big bang .
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life began after big bang .
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millions of years ago our earth was a big ball of fire like the sun ...but due tie it has cooled down and earth is formed .....still to scientists it is not known how life begin ...our earth is estimated to be about 4.5 billion years old....scientists found some fossilized mats of cyanobacteria called stromatolites in Greenland about 3.7 billion years old they think this is the earliest evidence for life on Earth..many scientists agree that life went through a period when RNA was the head-honcho molecule guiding life through its nascent stages....
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