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← GeographyWhich pedogenesis outcome occurs when glaciers retreat, releasing sediments?
A)Increased soil horizon differentiation✓
B)Decreased clay mineral formation
C)Enhanced chemical weathering rates
D)Reduced bioturbation from permafrost
💡 Explanation
Glacial retreat uncovers freshly deposited sediments causing increased soil horizon differentiation because it initiates pedogenesis with profile development showing distinct layers. Consequently, horizon development progresses, with leaching and illuviation, therefore leading to horizon segregation rather than homogenization or stasis.
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