The flow of goods, services, communications, and people in an urban hierarchy is ________.

A. bottom-up only
B. top-down only
C. two-way (up and down)
D. none of these


Answer: C

Environmental & Atmospheric Sciences

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cT air masses are stable

Indicate whether the statement is true or false

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Climate change can be natural.

Answer the following statement true (T) or false (F)

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Most large U.S. steel mills built during the first half of the twentieth century were located in:

A) communities around the Chicago River B) communities around the Mississippi River C) communities near the East and West coasts D) communities close to the ports of Louisiana E) communities in and around Pittsburgh

Environmental & Atmospheric Sciences

In a persistence forecast: a. existing weather map features may strongly resemble weather conditions sometime in the past

b. surface weather systems tend to move with a constant speed and direction. c. the future weather will be the same as the present weather. d. None of these choices.

Environmental & Atmospheric Sciences