The holes that have begun to form in the part of the atmosphere that protects life on Earth from destructive ultraviolet rays are due to
a. increased ozone and carbon dioxide.
b. decreased ozone due to emissions of chlorofluorocarbons.
c. increased chlorofluorocarbons and ozone.
d. global warming and acid rain.
e. international governmental regulations on climate change.
B
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The chief spokesperson for early behaviorism was
A) Edward Hull. B) Francis Galton. C) Edward Watkins. D) John Watson.
Which of the following about U.S. voters is NOT true?
a. Although an increasing number of people label themselves as "independents," they tend to lean reliably toward one party or another. b. Generally, Democrats are less likely to vote on Election Day, especially in an off year. c. The electorate is evenly divided between the two parties, especially when one accounts for independents who lean towards one party or another. d. Republicans are strongest in the South and Mountain West whereas Democrats are strongest in the Northeast and West Coast. e. Of the two parties, the Republicans have a more fragile coalition.