Which of the following is not a toxic pathway?

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     living in densely crowded cities
      breathing contaminated air
      ingestion of contaminated food and drink
      absorption through the skin
asked Jun 25, 2012 in Environmental Science by anonymous
    

1 Answer

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living in densely crowded cities
answered Jun 26, 2012 by Geodude ~Top Expert~ (9,680 points)

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