Which of the following explains why the gradient wind better approximates the actual wind than the geostrophic wind does?
A. The gradient wind takes friction into account.
B. The gradient wind is stronger than the geostrophic wind.
C. The gradient wind allows for curved contours.
D. The gradient wind is in hydrostatic balance.
Answer: A
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Which of the following statements about the potential effects of global warming on human health is false?
A. Food and freshwater supplies are likely to be disrupted. B. People are likely to be displaced from coastal areas. C. Occurrence of insect-borne diseases is likely to decrease in temperate zones. D. Sanitation systems in coastal cities may be flooded. E. Respiratory diseases are likely to increase.
The Earth's magnetic field is generated by:
a) salty water moving through the deep parts of the crust b) convection currents in the atmosphere c) movement of iron and electrical currents within Earth's outer core d) aligned magnetic minerals within Earth's inner core
Based on a survey of U.S. residents completed in 2014, ________ percent of respondents agreed that global warming is occurring.
A. 0 B. 66 C. 10 D. 93 E. 100
French Polynesia is an example of a(n):
A) "Trabi" B) euroskepticism C) extraterritorial possession D) reserve currency