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← GeographyWhich outcome results when limited vegetation cover fails in aeolian dune field?
A)Runaway dune migration and sand invasion✓
B)Increased regional albedo and cooling
C)Stabilized dune structure and height
D)Localized increase in soil moisture
💡 Explanation
Runaway dune migration follows when vegetation fails because deflation removes surface particles, creating mobile dunes. This positive feedback exacerbates desertification processes; therefore, dunes advance rather than stabilize since no root systems prevent erosion.
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