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← HistoryWhich consequence results when gravity overcomes the structure supporting terraces?
A)Channel erosion increases dramatically
B)Downslope creep rate increases✓
C)Soil aggregate cohesion declines
D)Vegetation biomass decreases locally
💡 Explanation
An unmitigated increase in downslope creep emerges because soil mass exceeds frictional shear strength, causing slope failure and gradual mass movement; therefore the terrace slumps downslope, rather than triggering instantaneous erosion or cohesion changes.
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