Which of the following is TRUE of chlorofluorocarbons?
A) They are used in refrigeration systems.
B) They have been used as propellants in spray cans.
C) They are used to make foam products.
D) All of the above are true.
D
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When it comes to regulating CO2 in the U.S. in the near future, what is the most likely course of action that the government will follow?
A. do nothing B. carbon tax C. regulation of emissions D. subsidy shift to low-carbon sources
Which type of agriculture is found primarily in less developed countries?
A) Mediterranean B) plantation C) truck farming D) commercial gardening E) None of these is found in LDCs; they are all commercial agriculture.
Which of the following is an example of a supranational organization?
A) World Trade Organization B) North American Free Trade Agreement C) European Union D) all of these E) none of these
Who sets automobile efficiency standards in the United States?
a. United Nations b. oil companies c. auto industry d. federal government