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Chapter 8, Problem 2GST
To determine

The reason why the broad expanse between the Appalachians and the Rockies is not a source region.

Expert Solution & Answer
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Answer to Problem 2GST

The region between the Appalachians and the Rockies is not homogeneous; hence, it is not a source region.

Explanation of Solution

A source region can be defined as the area in which air masses originate. They are large, relatively homogenous areas characterized by general stagnation of atmospheric circulation. The classification of an air mass is done based on the latitude of the source region and the nature of the surface in the area of origin; it can be either an ocean or a continent.

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