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← GeographyWhich profile change happens when sediment bioturbation accelerates?
A)Horizons blur within the soil✓
B)Weathered silica accumulates intensely
C)Crystalline matrix forms more quickly
D)Nutrient leaching decreases consistently
💡 Explanation
Enhanced bioturbation disrupts established soil horizons because mixing redistributes soil components via faunal and root activity. Therefore, a blending of layers occurs, rather than distinct zones caused by weathering profiles in stable soils.
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