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← GeographyWhich outcome occurs when persistent katabatic winds encounter an orographic barrier?
A)Formation of loess deposit regions✓
B)Intensified chemical weathering of bedrock
C)Increased glacial ice ablation rates
D)Decreased deposition in alluvial fans
💡 Explanation
Loess forms as windblown silt accumulates; because katabatic winds funnel across valleys, then undergo orographic lifting, wind velocity drops, resulting in widespread aeolian deposition, therefore, forming loess blankets, rather than erosion or altering other geological deposits.
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