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← GeographyWhich outcome occurs when tropical weathering decreases bioturbation?
A)Less soil horizon differentiation✓
B)Increased chemical weathering rates
C)Enhanced surface water infiltration
D)Decreased fluvial sediment transport
💡 Explanation
Decreased bioturbation hinders pedogenesis, leading to less mixing and layering; because organisms contribute to horizon development, reduced activity prevents clear separation. Therefore, soil horizons are less distinct, rather than enhanced weathering or infiltration, which rely on other mechanisms.
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