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← GeographyWhich process leads to terraces formation along river valleys that are bordered by alluvial plains?
A)Isostatic rebound causing channel incision✓
B)Aeolian deposition creating dune barriers
C)Chemical weathering generating sediment load
D)Glacial scouring widening floodplain area
💡 Explanation
When isostatic rebound occurs after glacial unloading, it causes rivers to cut down into their alluvial plains, forming stepped terraces due to the downcutting. Therefore, isostatic reboud is the answer due to the downward river cutting, rather than wind deposition, wathering, and glacial scouring.
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