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← GeographyWhich geomorphic outcome occurs when warming temperatures trigger seasonal thaw cycles in permafrost regions?
A)Increased braided stream formation✓
B)Accelerated coral reef bleaching
C)Reduced coastal erosion rates
D)Diminished glacial calving events
💡 Explanation
When permafrost thaws seasonally, solifluction occurs because the active layer saturates and flows downslope, creating unstable ground and feeding sediment into rivers, greatly increasing braided stream formation. Therefore increased braided stream formation results, rather than bleaching, erosion reduction, or diminished calving which are unrelated mechanisms.
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