Geochemical dating measurements suggest that the earth is about __________ years old.

0 votes
     460 million
      4.6 billion
      46 million
      4.6 million
asked May 16, 2012 in Microbiology by anonymous
    

1 Answer

0 votes
4.6 billion
answered May 17, 2012 by Bioshare ~Top Expert~ (34,070 points)



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