Hydrocarbons release a lot of energy when ignited. Where does this energy ultimately come from?
A. the formation of chemical bonds
B. photosynthesis
C. the breaking of chemical bonds
D. nuclear fusion in the sun
Answer: D
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Which of the following was not a part of India's economic policy immediately after independence?
A. self-sufficiency B. high tariffs C. export taxes D. tax breaks for foreign investors
What did the United States Exclusive Economic Zone exclude from the original 1982 United Nations Treaty?
A) The claim of territorial waters B) The protection of the ocean C) The sharing of high seas resources D) The prevention of pollution
Although the Green Revolution has greatly reduced world hunger and malnutrition, it has
A) doubled the amount of land used to raise crops. B) not significantly increased the productivity of modern agriculture. C) required high levels of increasingly expensive fertilizer and pesticides. D) contributed significantly to the destruction of the ozone layer.
When was the modern start of master-planned communities in the United States?
A. 1920s B. 1990s C. 1960s D. 1950s