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 2
According to latitude and place in the surface westerlies, which of the following is the least likely zone of formation for a large air mass?
A) Eastern Siberia
B) Northern Sahara
C) Under an oceanic subtropical high
D) Caribbean Sea
E) The U.S. Midwest
Distribution of glaciers in North America (a) in the late twentieth century, and (b) 18,000 years ag
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Map of Mars from Hubble Space Telescope as seen near the 1999 opposition. (North top)
Martin Van Buren, sitting uncomfortably for this engraving, would eventually ascend to the presidenc
Black and White Out-Migration from Virginia and North and South Carolina, 1870–1940 (in thousands)
Crime Control in America: What Works?, 4th Edition