20
QuizMultiple Choice

Factors That Affect Climate

Question 20 • (OC27) Earth/Space Sci-2001310-S1-Nelson

Which describes a way that prevailing winds control precipitation totals in a region?

Answer
A
They cause oceanic winds to carry water vapor.
B
They force cool, moist air from oceans to rise as it moves toward land.
C
They increase the occurrence of droughts in the winter.
D
They reduce rainfall on the leeward side of a mountain.

Explanation

Prevailing winds can carry moist air toward a mountain. The air rises on the windward side, cools, and releases precipitation; by the time it descends on the leeward side, it is drier. This rain-shadow effect reduces rainfall on the leeward side of a mountain.

AI-written and checked against the verified answer.

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