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← GeographyFollowing prairie restoration, which outcome sharply accelerates topsoil formation?
A)Increased soil macropore development✓
B)Elevated groundwater bicarbonate concentration
C)Enhanced silicate mineral hydrolysis rates
D)Decreased surface evapotranspiration losses
💡 Explanation
Increased prairie dog and earthworm activity promotes bioturbation; thus, extensive burrow networks improve aeration to create interconnected soil macropores. This accelerates topsoil genesis because this enhanced structure, rather than just silicate weathering, allows for infiltration and organic matter incorporation.
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