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← GeographyWhich mechanism primarily sculpts ventifacts in hyperarid deserts?
A)Abrasive particle saltation by wind✓
B)Thermal stress fracture propagation
C)Diurnal freeze-thaw rock shattering
D)Dissolution by concentrated acidic fog
💡 Explanation
Wind-driven particle abrasion creates ventifacts because saltation transports sand at high speeds, effectively sandblasting exposed rock surfaces; therefore, wind abrasion sculpts desert ventifacts, rather than thermal stress cycles or chemical weathering processes involving moisture.
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