More than 50% of the air in the atmosphere is found

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      at sea level
      below 6 kilometers
      at the base of Mt. Everest
      at the top of the thermosphere
      none of the above
asked Mar 12, 2013 in Earth Science by anonymous
    

1 Answer

0 votes
below 6 kilometers
answered Mar 15, 2013 by h20 ~Top Expert~ (6,320 points)

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