Which layer of Earth makes up more than 82 percent of the volume of the planet?
A) Outer core
B) Crust
C) Mantle
D) Inner core
Answer: C
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China's "Great Leap Forward"
A) was responsible for China becoming the economic world power it is today B) occurred in tandem with the "Cultural Revolution." C) occurred against the wishes of Mao Zedong. D) took place in the late 1980s. E) led to a major famine as the government melted down peasants' farm tools.
A radiation fog requires which of the following in order to form?
A) high relative humidity and clear nighttime skies B) a warm body of water and a cold breeze C) warm air moving over a cold surface D) cold air moving up a slope
What concept describes the maximum number of people who can live in reasonable comfort and freedom indefinitely?
A. optimization strategy B. genetic optimization C. stabilization theorem D. nil hypothesis E. cultural carrying capacity
A broad-spectrum biocide is designed to kill
A. A wide range of plants B. Specifically multicellular organisms C. Microbes that are neither plant nor animal D. Specifically unicellular organisms E. A wide range of living organisms