Which of the following does NOT improve local food supplies?

A) spread of disease
B) trade
C) transportation
D) storage


Answer: A

Environmental & Atmospheric Sciences

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The speed of an electric signal in a typical circuit is

A. about the speed of light. B. about the speed of sound. C. a snail's pace. D. none of the above

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Students do not need to be concerned with environmental geology problems because they are all global

in scale. Indicate whether the statement is true or false.

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Wind will not be a major U.S. energy resource in ________

A) Texas B) the Northeast C) the Southeast D) the Northwest E) California

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Which of the following is the boundary current located off the east coast of the U.S.?

A. Canary B. Gulf Stream C. Kuroshio

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