Which of the following statements best summarizes the state of the world's food supply by 2050 if the IPCC findings are accurate?
A. 200-600 million people could face starvation.
B. Bumper crops will occur in most of the world.
C. Expect increased production of food in tropical areas.
D. Most of the people in the U.S. will starve to death.
Answer: A
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The leading nonpoint source of water pollution is
A. municipal landfills. B. runoff from city streets and storm sewers. C. agriculture. D. industrial wastes. E. leaks from offshore oil wells.
Following a major earthquake, aftershocks diminish in magnitude but may still be powerful enough to destroy or further damage weakened buildings.
a. true b. false
Which theorist was concerned with the problem of collective action?
a. Garrett Hardin b. Bruno Latour c. Ray Murphy d. Saul Alinsky
The relatively young mountains along the western margins of North and South American plates are referred to as the
A) Cordilleran system. B) Eurasian-Himalayan system. C) Alleghany orogeny. D) Sierra Nevadan orogeny.