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← GeographyWhich process causes the formation of alluvial terraces along a river valley after uplift?
A)Isostatic rebound following glacial retreat
B)Erosion due to increased river incision✓
C)Deposition during periods of glacial advance
D)Faulting creating offset land surfaces
💡 Explanation
When uplift occurs along a river valley, increased potential energy results in accelerated river incision because the river downcuts into the bedrock, eroding the existing floodplain and creating new, lower floodplains as terraces. Therefore, erosion due to increased incision forms alluvial terraces, rather than glacial rebound, deposition, or faulting which result from independent mechanisms.
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