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← GeographyWhich outcome is least likely as deposition shifts laterally on an alluvial fan constrained by uplift?
A)Ephemeral channel avulsion increases rapidly.
B)Braided stream patterns become enhanced.
C)Formation of thick loess deposits accelerates.✓
D)Differential subsidence triggers wetland formation.
💡 Explanation
Thick loess formation won't accelerate in this specific setting because loess requires airborne silt deposits from glacial outwash plains, rather than alluvial fans. Channel avulsion is likely; therefore, increased subsidence and braiding would increase, too.
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