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analiseortiz56 analiseortiz56
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6 years ago
Carcinogens may be difficult to identify and study because ________.
 
  A) cancer may be caused by chronic, long-term exposure
  B) there is no way to measure the carcinogenic potential of a substance
  C) they are rare in nature
  D) they are the least common of the toxic substances
Textbook 
A Changing Planet

A Changing Planet


Edition: 1st
Author:
Read 33 times
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