What approach to control pollution is exemplified by the Clean Air Act before the 1990 Clean Air Act Amendments were enacted?
a.) taxation
b.) consumer choice
c.) command-and-control
d.) subsidies
Answer: c.) command-and-control
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The principle asserting that processes operating in the present world can be used to interpret
events of the past; the present is the key to the past:a. catastrophism d. unconformity b. uniformitarianism e. weathering c. lithification
Of these four lakes, which ones are above the water table?
A. 1 and 2 B. 3 and 4 C. 1 and 4 D. 2 and 3 E. None of these.
Areas of ocean upwellings are often the sites of ________
A) high primary productivity B) tsunamis C) tanker and cruise ship accidents D) storm surges E) sea ice and ice caps
Which one of the following is not an advantage of solar energy?
A. It is essentially pollution-free. B. It is available at no cost. C. It is an inexhaustible resource. D. It is a widely dispersed resource.