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Geography

Which deposition pattern arises when prevailing winds encounter topographical barrier?

A)Loess deposition windward of barrier
B)Eolian ripples parallel to airflow
C)Barchan dunes migrating upwind
D)Deflation hollows on leeward slopes

💡 Explanation

Loess deposition occurs when wind velocity decreases crossing a barrier; airflow separation creates settling because particles lose kinetic energy via gravitational sorting, forming extensive mantles windward rather than leeward depositional features driven by constant saltation.

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