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← GeographyWhich outcome occurs when strong katabatic winds encounter a glacial valley?
A)Formation of loess deposit layers✓
B)Increased glacial ice ablation rates
C)Enhanced crevasse formation within glacier
D)Acceleration of glacial isostatic rebound
💡 Explanation
Loess deposits form because katabatic winds transport glacially-ground sediment (rock flour) far from source, and aeolian deposition causes thick, homogeneous deposits forming. Therefore, loess deposits form, rather than other glacial outcomes, through differential sediment sorting based on particle size and wind strength.
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