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Which topographic outcome during deglaciation influences cirque lake formation?

A)Isostatic rebound alters regional slope
B)Sediment compaction decreases basin depth
C)Cryoturbation increases talus stability
D)Biogenic activity reduces sediment load

💡 Explanation

Isostatic rebound differentially uplifts formerly glaciated interiors because the unloading of ice causes the lithosphere to rise; therefore, it alters topographic gradients and increases the likelihood of cirque lake impoundment rather than compaction processes alone.

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