Why were the ideas regarding continental drift not readily accepted by scientists in the early 20th century?
A. They recognized that vertical forces explain Earth's geology.
B. There was no proposed mechanism to cause such a drift.
C. The continents did not fit exactly as if they had split.
Answer: B
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A cultural region is an area where certain cultural practices, beliefs, and values
A) are shared by the majority. B) share the same origins. C) originate. D) are linked by an official language or lingua franca. E) are linked by the same religion. Answer: A
Laterite soils are most likely to develop in:
a) Climates with high temperature and low rainfall (deserts) b) Climates with high temperature and high rainfall (tropical climate) c) Climates with low temperature and low rainfall (arctic climate) d) Both in "a" and "c" but not in "b" e) None of the above answers are correct
Which of the following countries is hardest hit by the "digital divide"?
A) Canada B) Nigeria C) Italy D) Japan E) Australia
What percentage of electrical power in the U.S. is generated from nuclear sources?
a. ?less than one percent b. ?five percent c. ?10 percent d. ?15 percent e. ?20 percent