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← GeographyWhich horizon development occurs when excessive precipitation occurs?
A)Increased eluviation via soil leaching✓
B)Accelerated oxidation mineral deposition
C)Reduced biological activity inhibits decomposition
D)Slower aggregate formation less stabilization
💡 Explanation
Eluviation increases because excessive precipitation enhances soil leaching, which moves dissolved substances and smaller particles from upper to lower horizons, therefore intensifies eluviation rather than other soil-forming actions under normal moisture.
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