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← GeographyWhich process causes lateral stream deflection when strong prevailing winds encounter an advancing glacier?
A)Aeolian sediment deposition✓
B)Orographic precipitation increase
C)Differential ice ablation
D)Isostatic rebound acceleration
💡 Explanation
When strong prevailing winds carrying sediment are forced to change direction parallel with the glacier edge due to wind blocking, aeolian sediment deposition occurs because wind velocity decreases, resulting in sediment settling. Therefore, lateral stream deflection results, rather than precipitation increase, ice ablation, or rebound acceleration each requiring different meteorological forcings.
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