Which of the following is the MOST important atmospheric component with regard to the earth's climate and the formation of weather systems?
A) oxygen B) argon C) ozone D) nitrogen E) water vapor
E
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Of average household energy use in the United States, the biggest portion is for
A) heating space. B) heating water. C) cooling air. D) running appliances and electronics. E) mowing our lawns.
Rock salt is an example of an evaporite. Indicate whether the statement is true or false
The frequency of crown fires will decrease if
A) forests are logged more frequently. B) smaller forest fires are allowed to burn naturally. C) deadwood is allowed to accumulate on the forest floors. D) the environment experiences less precipitation.
A particular preference for a new clothing style is more likely than a folk custom to
A) evolve rapidly owing to the isolation of different groups. B) rapidly diffuse through modern communication and transportation. C) reflect the unique characteristics of the physical landscape. D) have an unknown source of origin. E) resist the influences of multinational corporations.