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← GeographyWhich long-term outcome results when bioturbation sharply decreases in grassland soils?
A)Increased soil compaction and erosion✓
B)Accelerated chemical weathering of minerals
C)Enhanced nutrient cycling and uptake
D)Reduced soil water infiltration rates
💡 Explanation
Increased soil compaction and erosion occurs because bioturbation facilitates soil aeration and structure; reduced faunal activity decreases porosity, therefore compaction effects increase rather than enhanced mineral weathering, nutrient availability, or altered infiltration dominated by macropores.
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