Which of the following occurs least over North America?
A) maritime tropical air from the North Pacific
B) maritime polar air from the Gulf of Alaska
C) maritime tropical air from the Pacific
D) maritime polar air from the North Atlantic
E) Arctic air from Siberia

Question

Quizplus · Accepted Answer

Maritime polar air from the North Atlantic occurs the least over North America. This is because the prevailing westerly winds tend to push this air mass away from the continent, towards Europe instead. The other options are all more commonly found over North America.

Which of the Following Occurs Least Over North America