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stiv31 [10]
3 years ago
10

Which is the best explanation for how air masses move across the United States

Biology
1 answer:
Akimi4 [234]3 years ago
6 0
Warm air rises, expands, then cools. As cool air sinks it may cause precipitation. Some air masses such as the MT which originate in warm environments carry humid air and cause heavy precipitation in some areas.
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