Production of sugar from sugar beets, as an alternative to trading for sugar made from sugar cane in a foreign, tropical country is an example of
A) import substitution.
B) comparative advantage.
C) spatial justice.
D) division of labor.
E) the law of diminishing returns.
Answer: A
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A) selecting an environment that will remain stable for more than 10,000 years. B) determining a cost-effective way to shoot waste into space. C) figuring out how to contain the material so that it does not leak into the ocean. D) creating a secure environment to protect the material from terrorists.
Which of the following does NOT match a sedimentary rock with a possible metamorphic equivalent?
A. shale - schist B. limestone - marble C. shale - gneiss D. sandstone - quartzite E. All of these are correct matches.
Which of the following is NOT considered an issue pertaining to water resources in the future?
A) Regional drought will increase pressure on groundwater resources. B) Growing populations will continue to exploit water resources. C) Pollution will limit the water-resource base. D) Desalination will exacerbate dwindling freshwater supplies.