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Geography

Which outcome occurs when ice exceeds cirque capacity?

A)Increased glacial abrasion and bergschrund formation
B)Decreased sediment supply to proglacial lakes
C)Accelerated isostatic rebound of the crust
D)Formation of thermokarst within permafrost

💡 Explanation

Increased glacial abrasion and steepening form because regelation enables ice flow over the threshold and plucking enhances bergschrund formation. The over-steepening results in an abraded steeper walls rather than sediment changes therefore affecting fewer lakes.

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