Retrokid Retrokid
  • 02-12-2016
  • Biology
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How long did it take for the population to double a third time?

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ivyianna15
ivyianna15 ivyianna15
  • 02-12-2016
it took 1649 took for the world population to double, going from .25 billion people to .50 billion people. years. 
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