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This cold river of air travels from west to east in the northern hemisphere. In winter, it dips south helping to bring cooler air to most parts of the United States. This is the _________ jet stream.

A) polar
B) hadley
C) equatorial
D) subtropical

2 Answers

2 votes

A polar i had it for my usatestprep

User Andrew Ray
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7 votes
A) polar!
Good luck!
User Gavv
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