Author Question: In the 1980's a new form of cocaine which comes in a rock crystal form was introduced and called ... (Read 568 times)

ghost!

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In the 1980's a new form of cocaine which comes in a rock crystal form was introduced and called
 
  a) amphetamine.
  b) methamphetamine.
  c) crack.
  d) freebase.

Question 2

Double-blind studies are designed to reduce
 
  a) eye strain.
  b) side effects.
  c) animal research.
  d) expectation effects.



popopong

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Answer to Question 1

c

Answer to Question 2

d



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