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← GeographyWhich outcome occurs when the physical disturbance lowers soil stability?
A)Increased erosion rate by bioturbation✓
B)Decreased nutrient cycling efficiencies
C)Reduced topsoil aggregation strength locally
D)Elevated rate of geochemical weathering
💡 Explanation
Increased loads on soil increases erosion by bioturbation, the mixing of soil by organisms such as earthworms, because their burrowing weakens soil integrity, therefore increasing its susceptibility to water and wind erosion rather than simply chemical weathering.
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