Why is the west coast of North America 500 km west of where it was about 540 million years ago?
A) plate movement
B) accretion of exotic terrains
C) thrust and uplift of continental crust
D) volcanic eruptions
Answer: B
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English has achieved unprecedented acceptance globally due to
A) the refusal to use English in colonial and imperial expansion. B) the diffusion of command economies across much of the world. C) its role as the common language of a global economy and culture. D) the rise of folk culture and the decline of popular culture. E) the diffusion of religion to industrialized nations.
The primary factor which determines whether a place will have a dry climate is:
A) its elevation. B) whether evaporation exceeds precipitation. C) its distance to a large water body. D) how much evaporation occurs.
If you could modify or replace the Köppen classification system what information would you incorporate that is not currently part of the system?
What will be an ideal response?
A study by the Environmental Protection Agency looked at the costs and benefits of the Clean Air Act from 1970 to 1990. This study found that a middle-range estimate of the health and other benefits from cleaner air was $22 trillion. This amount was about __________________ than the costs of reducing the pollution.
A. 10 time lower B. 44 times higher C. 10 times higher D. 44 times lower