Multiple Choice
Siberian Express is the term used when:
A) an outbreak of bitterly cold air from Canada intrudes over a large part of the United States.
B) an mP air mass from the north Atlantic enters New England and generates snowfall.
C) an unusually cold air mass enters the Rocky Mountains.
D) a modified air mass originating in Siberia reaches the Pacific Northwest.
Correct Answer:

Verified
Correct Answer:
Verified
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