Open burning of wastes in dumps was a common practice in the United States until

0 votes
     the present day.
      the 1920s.
      the 1940s.
      the 1960s.
asked Jun 25, 2012 in Environmental Science by anonymous
    

1 Answer

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the 1960s.
answered Jun 26, 2012 by Geodude ~Top Expert~ (9,680 points)



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