Coal continues to be the main fuel used to generate electricity in the United States. This is partially because ________
A) coal causes almost no air pollution when burned
B) the country has such large reserves of coal
C) the quality of coal in the United States is very consistent from deposit to deposit
D) coal deposits in the United States lie very close to the surface and are easily extracted
E) compared to natural gas and oil, coal contains very few impurities, such as sulfur
B
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Of the following, which would probably be the most useful source of data/information for evaluating the loss of farmland to urban growth around the edges of Chicago over a 20-year period?
A) geodemographic research B) global positioning systems C) remote sensing D) mental maps E) spatial diffusion
Which of the following terms refers to the reversal of the positions of surface high- and low-pressure areas at the east and west ends of the Pacific Ocean?
A. upwelling B. La Niña C. El Niño D. Southern Oscillation
One of the main reasons people can walk barefoot on red-hot coals of wood without burning their feet has to do with
A) low temperature of the coals. B) low thermal conductivity of the coals. C) mind over matter techniques.
In coastal subduction zones, the oceanic plate can rise suddenly, triggering a tsunami
a. True b. False