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← GeographyWhich outcome occurs when glacial meltwater inflow exceeds lake outflow?
A)Isostatic rebound accelerates locally
B)Lake level transgression expands littoral✓
C)Moraine dam integrity degrades rapidly
D)Limnic eruption risk rises sharply
💡 Explanation
Lake level transgression occurs because positive hydrologic balance drives lake expansion, therefore inundating previous shoreline areas; this is a fluvial response to changed boundary conditions, rather than geomorphic uplift, dam erosion, or gas release thresholds.
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