What percentage of the United States' commercial energy is supplied by oil?
A. 6%
B. 8%
C. 11%
D. 39%
E. 52%
Answer: D
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Most international conferences on population have sought to decrease birth rates
Indicate whether this statement is true or false.
Which of the following modes of transportation are usually reserved for speedy delivery of small-bulk, high-value packages?
A) airplanes B) ships C) trains D) trucks E) barge
The position of the Pacific high over the North Pacific Ocean shifts ____ in winter and ____ in summer
a. northward; southward b. southward; northward c. eastward; westward d. westward; eastward e. northward; westward
In modern world trade,
A) some places are still completely isolated and dependent on local resources. B) all parts of the world have eagerly, voluntarily participated in world trade. C) virtually all peoples have moved from self-sufficiency and cultural isolation to trade and cultural exchange. D) all trade is regulated by the United Nations.