Which of the following is NOT a good source region for air masses?
A) central Canada B) the Gulf of Mexico
C) the central United States D) the North Pacific
C
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The "tragedy of the commons" refers to the ____.
A. overuse of privately held resources B. degradation of shared common resources C. human deaths resulting polluted shared resources such as air or water D. government over-regulation of fresh water use E. use of nonrenewable resources
A restriction on behavior imposed by social custom is a
A) folk culture. B) habit. C) popular culture. D) taboo. E) tariff.
The move from hunter-gatherers to purposefully planning cultivation of crops first began in ________
A) Europe B) Africa C) Llano Estacado D) Mesopotamia E) New Mexico
Based on Congressional priorities with respect to immigration, one might assume that the largest numbers of recent immigrants to the United States are
A) unauthorized immigrants. B) political refugees. C) relatives of U.S. residents. D) talented professionals. E) guest workers.