About _________ of the world's population resides in nations with a middle-income economy
a. one-half
b. one-third
c. one-fourth
d. one-fifth
b
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What percentage of the American population uses public transportation for their daily commute to work?
A. about 20 percent B. about 5 percent C. about 15 percent D. about 10 percent
The focus of early research on LSD centered on its:
A. ability to reduce cravings for nicotine. B. supposed ability to treat rheumatism. C. ability to relieve pain. D. supposed ability to access the subconscious mind.
According to the textbook, members of the lower middle class today
a. work at primarily blue-collar jobs. b. make up about 90 percent of American households. c. are rarely politically active beyond exercising their right to vote. d. make over $200,000 annually.
In what way has the global economic downturn that began in 2008 been a blessing for environmentalists?
A. It had the side effect of reducing consumption and, as a result, energy use. B. It pushed large numbers of low-income people out of their homes near toxic waste sites. C. It led close to 200 nations to forge the environmental agreement known as the Kyoto Protocol. D. It brought environmental issues to the forefront of the national consciousness.