What percentage of useful energy in the United States is either unavoidably or unnecessarily wasted?
a. 43%
b. 84%
c. 35%
d. 41%
e. Energy in the United States is not wasted.
B
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Which group of Chinese provinces had the highest overall GDP per capita in 2015?
A) Guangxi, Guizhou, Yunnan
B) Beijing, Shanghai, Zhejiang
C) Shanxi, Shaanxi, Gansu
D) Liaoning, Jilin, Heilongjiang
E) Sichuan, Gansu, Guizhou
The problem of food waste is of greater concern in:
A. The industrial world B. The less developed world C. Africa D. India
Cuba exemplifies a new direction in food production through
A) programs to convert citizens to a vegetarian diet. B) urban agriculture. C) using polyculture farms. D) Green Revolution high-yield grains.
Which tectonic boundary is responsible for the most powerful and destructive earthquakes recorded?
A) Transform B) Divergent C) Convergent