By the beginning of the 20th century, a greater percentage of Americans were addicted to opioids than at any time before or since. Opium smoking and medical use of injected pure morphine were important contributors to this, along with

A. intravenous use of heroin.
B. the growth of organized crime syndicates.
C. patent medicines containing opium extracts or morphine.
D. alcohol prohibition.

C

Psychology

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According to 2008 research, approximately what percent of high schoolers have participated in oral sex?

A) 5 B) 25 C) 55 D) 75

Psychology

In Stanley Milgram's study of obedience, after the "learner" cried out in pain, 85 percent of the participants refused to deliver any more shocks

Indicate whether this statement is true or false.

Psychology