In all, the world's rain forests cover what percentage of Earth's total land surface?
a. 10 percent
b. 25 percent
c. 50 percent
d. 75 percent
(Answer: a)
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In a heterogeneous society, substantial agreement exists about the nature of deviance
a. true b. false
Research finds that health disparities are affected by social conditions. For example, racial minorities are more likely than other groups to live near
a. hospitals. b. urban renewal sites. c. hazardous waste facilities. d. ambulatory care centers.
If researchers wanted to examine the opinions of people listed in a city directory, they might call every tenth or fiftieth or hundredth name listed. This would constitute a
A. random sample. B. quota sample. C. control variable. D. scale.
A consistent research finding is that health is greatly influenced by __________, with the affluent living longer than the poor.
A. ethnicity B. education C. race D. social class