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← GeographyIn arid climates, which consequence results when deflation exposes caliche layers?
A)Armoring prevents further sediment erosion.✓
B)Clay accumulation increases soil permeability.
C)Saltwater intrusion contaminates groundwater basins.
D)Dissolution decreases surface playa formation.
💡 Explanation
Deflation removes fine sediments, resulting in larger caliche exposure; armoring occurs when that caliche accumulates, because surface exposure increases resistance to continued wind erosion. Therefore, armoring prevents erosion, rather than accelerating erosion elsewhere or affecting salinity gradients.
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