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← Earth & Natural SystemsWhich outcome occurs when excessive rainfall impacts agricultural topsoil?
A)Increased soil aggregate stability remains
B)Reduced organic matter decomposition prevails
C)Nutrient depletion via leaching occurs✓
D)Enhanced soil carbon sequestration develops
💡 Explanation
Leaching causes nutrient depletion because water percolates through the soil profile, dissolving and carrying away soluble nutrients; therefore, leaching results in reduced soil fertility, rather than enhanced carbon storage or improved soil structure. The primary mechanism at play is dissolution of minerals.
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