Compared to the use of fossil fuels for generating electricity, wind energy ________
A) produces no exhaust pollutants and contributes little to global climate change
B) is more widely used in the United States
C) is less renewable
D) requires very little investment
E) is more consistent
Answer: A
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Which is NOT TRUE regarding foreign debt?
A) Much of the developing world is deeply in debt to foreign governments and banks. B) The origins of the debt crisis lie in the 1910s and 1920s. C) Debts raise concerns about the stability of the international monetary system. D) Debt repayment can be difficult for developing countries. E) All of the above are false.
What disease has the likeliest potential to depopulate large parts of the world in the 21st century?
A) AIDS B) bubonic plague (Black Death) C) H1N1 (subtype of Influenza A virus, sometimes called swine flu) D) H5N1 (bird flu) E) smallpox
Which one of the following concerning artesian wells is not true?
A) The aquifer is generally inclined, and it is saturated to an elevation above the point where the well penetrates the aquifer. B) When the well penetrates the aquifer, the water rises to the bottom of the aquitard above the aquifer. C) The well penetrates an aquifer underlain by an impermeable bed. D) The well penetrates an aquifer overlain by an aquitard.
What known greenhouse gas is released from manure at large animal feedlots?
A. methane B. carbon dioxide C. nitrogen gas D. ozone