How do scientists suggest we solve the "trilemma" created by the shift in recent years from fossil fuels to biofuels, such as ethanol?
a. They suggest we eat less food.
b. They suggest that governments offer additional subsidies for farmers who are growing biofuel crops.
c. They suggest that biofuel production should be carried out in very particular ways, such as by growingperennial grasses
on abandoned fields.
d. They suggest that we ride our bikes and walk rather than drive.
c
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________ are financial instruments issued by state and local governments and bought by investors
A. Grants B. Sales C. Taxes D. Lotteries E. Bonds
Which of the following statements about sampling is true?
a. It is pretty easy to draw a random sample of the population in order to measure public opinion accurately. b. The larger the sample the more closely the sample’s answers will closely approximate the answers if the entire population could be asked. c. Larger samples are always better so the results from a sample of 2,000 will be twice as accurate as the results from a sample of 1,000. d. Pollsters who can draw good samples can virtually eliminate any errors in polling.
What is one of the major concerns for specialized interest groups working in an issue area?
a. Small groups will be swallowed by larger groups with more resources. b. Similar groups appeal to the same supporters and this makes the formation of coalitions tricky. c. Politicians will focus their attention on the group that can deliver the greatest electoral advantages. d. Too many groups working at cross-purposes undermines any effort to secure policy changes from the government.
Why do U.S. unions seem powerful even though business has far more clout than unions?
A) American unions are much larger than most businesses. B) Schoolteachers, police, civil servants, etc. are very beloved by the public. C) U.S. unions attract much attention when they strike at major firms. D) They receive a great deal more media attention at all times.