Opium is the source of
a) LSD.
b) PCP.
c) morphine.
d) marijuana.
c
Psychology
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Which of the following statements is true?
a. Punishment does not always work. b. The effectiveness of punishment depends solely on its force. c. Punishment should be applied intermittently. d. Punishment usually enhances the learning process.
Psychology
Mescaline is obtained
a) by a chemical procedure that can only be done in a lab. b) from a cactus plant. c) by combining two hallucinogenic drugs. d) none of the above.
Psychology