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← GeographyWhich outcome on vegetation distribution results from the rain shadow effect?
A)Increased species diversity on leeward sides
B)Arid conditions on leeward sides✓
C)Uniform precipitation across mountain ranges
D)Enhanced forest growth on windward slopes
💡 Explanation
When air rises over a mountain range, adiabatic cooling causes precipitation primarily on the windward side, because moisture condenses; subsequently dry air descends on the leeward side, creating arid conditions due to reduced precipitation. Therefore arid conditions occur on the leeward sides, rather than increased diversity or uniform rainfall which necessitate wetter conditions.
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