Siberian Express Is the Term Used When

question 109

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)a modified air mass originating in Siberia reaches the Pacific Northwest.
• C)an unusually cold air mass enters the Rocky Mountains.
• D)an mP air mass from the north Atlantic enters New England and generates snowfall.

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Definitions:

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Networks of tracks on which trains operate, serving as a vital mode of transport for goods and passengers over land.