You have purified a sample of inorganic sulfur from a meteor found in the mud at the bottom of a pond, and have determined that the sulfur contains an S34 concentration of about 4 parts per thousand, with the remainder being S32. In the samples taken in mud surrounding the meteor you find the concentration of S34 to be about 1 part per hundred. This might lead you to think that

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     the sulfur in both samples was of biologic origin.
      extraterrestrial microbes produced the sulfur in the meteor.
      abiotic chemical processes produced the sulfur in the meteor.
      the sulfur in both samples was produced abiotically.
asked May 16, 2012 in Microbiology by anonymous
    

1 Answer

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abiotic chemical processes produced the sulfur in the meteor.
answered May 17, 2012 by Bioshare ~Top Expert~ (34,070 points)

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