Quinn2002 Quinn2002
  • 12-10-2016
  • Mathematics
contestada

if we imagined earths total 4.5 billion year history to be over the span of one day, how long ago did humans begin to walk the earth?

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Аноним Аноним
  • 12-10-2016
Not sure what your asking, but I would say 200,000 years ago
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