Multiple Choice
Researchers have compared the tonnage of heroin and cocaine consumed in the U.S.and concluded that:
A) more heroin is used than cocaine
B) more cocaine is used than heroin
C) roughly the same amount of heroin and cocaine is used
D) it is impossible to estimate the amount of these two drugs that is used
E) none of the above
Correct Answer:

Verified
Correct Answer:
Verified
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