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Home Q & A Board Science-Related Homework Help Psychology
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killian killian
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9 years ago
The positive effects of heroin ______.   
      a.   are immediate                  c.   vary greatly from user to user   
      b.   take several minutes to develop      d.   take several hours to develop   
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Smiling Face with Open Mouth
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f_zah1f_zah1
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9 years ago
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