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30 April, 23:48

Life originated on earth about how many years ago?

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  1. 1 May, 01:16
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    The Earth formed about 4.5 billion years ago. 700 million years later (3.8 to 3.5 billion years age) life started. the earliest known life form were single celled organisms which roamed the earth they appeared around two billion years ago. Answer: The Earth formed about 4.5 billion years ago.
  2. 1 May, 01:54
    0
    It thought that life started existing on Earth about 4.4 billion years ago
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