The tremendous growth in world population over the last 100 years is due to

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     migration to the more developed countries.
      better control of diseases.
      an increase in doubling time.
      increased survival of people over 70 years of age.
asked Jun 25, 2012 in Environmental Science by anonymous
    

1 Answer

0 votes
better control of diseases.
answered Jun 26, 2012 by Geodude ~Top Expert~ (9,680 points)



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