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← GeographyWhich process creates caldera lakes after dome collapse?
A)Isostatic rebound equilibrium
B)Drainage reversal mechanism✓
C)Talus slope accumulation
D)Cryogenic weathering effects
💡 Explanation
Volcanic dome collapse leads to lowered land that accumulates significant rainfall & runoff; this concentrated flow establishes a drainage reversal mechanism. Because it erodes existing slopes inside the caldera, therefore drainage patterns shifts dramatically, rather than uplifting rock as in isostacy.
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