According to the Big Bang theory, a cataclysmic explosion created the matter in the universe about ____________ years ago.

0 votes
     600 million
      2 billion
      4.6 billion
      8 billion
      15 billion
asked Jun 13, 2012 in Geography by anonymous
    

1 Answer

0 votes
15 billion
answered Jun 15, 2012 by Geodude ~Top Expert~ (9,680 points)



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