During the entire Paleozoic, the western margin of North America could be described as ____
A)tectonically active with the development of numerous mobile belts
B)a passive margin with only localized mountain building events
C)a passive margin with no evidence of orogeny
D)an active margin with thick carbonate platforms
E)a zone of active volcanism
B
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Which of the following categories includes the others?
A. human capital B. natural resources C. economic resources D. manufactured capital E. energy resources
Much of the interior of Australia
A. is semiarid grassland used for grazing huge flocks of sheep. B. is covered by tropical rainforests. C. contains the mining industries. D. is desert.
The global energy issue derives in part from the fact that fossil fuels
A) are distributed uniformly across Earth. B) are renewable energy sources. C) were formed in the far distant past. D) have an infinite supply. E) are too easily contaminated.
At the 2008 Olympics the Jamaican runner Shelly Ann Fraser ran the 100. meter dash in world record time of 10.78 seconds. What is this speed in miles per hour? [1 mile = 1.609 km]
A) 2.08 mph B) 4.81 mph C) 20.8 mph D) 48.1 mph