AP Environmental Science Quiz
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EARTH SYSTEMS AND RESOURCES
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A coastal desert forms along a west coast at 20–30° latitude; which combined factors best explain it?
A
Cold eastern boundary current plus subtropical high-pressure subsidence suppresses convection, limiting rainfall even though fog may occur.
B
Warm western boundary current plus ITCZ uplift creates persistent thunderstorms, but sandy soils prevent water retention and cause desert conditions.
C
Polar cell uplift plus warm currents generate heavy precipitation, but strong winds remove vegetation and create a desert landscape.
D
Mountain rain shadow alone explains all coastal deserts; ocean currents and atmospheric circulation have no meaningful influence on rainfall.
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