Which of the following best describes water as a resource? A. the amount of water on Earth is always increasing, and demand is increasing B. the amount of water on Earth is always increasing, and demand is decreasing C. the amount of water on Earth is staying the same, and demand is increasing D. the amount of water on Earth is staying the same, and demand is decreasing
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How does the parallax of a nearby object compare to that of an object farther away?
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Which of the following is not a challenge to instituting sound global environmental policies? a. most changes are inexpensive and easy to implement. b. elected leaders who support unpopular environmental issues often are not re-elected. c. economic considerations outweigh environmental ones in many societies. d. there is no way to enforce international environmental agreements.
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Explain the value of statistics and other data to positive economics and to normative economics
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What evidence does the writer give to support his argument about coral reefs? a) he speaks of the activities of coral polyps. b) he describes the composition of the great barrier reef. c) he emphasizes the ways in which coral reefs are fragile. d) he points out the ways that scientists do research on the reefs.
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Which of the following best describes water as a resource? A. the amount of water on Earth is always...
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