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← GeographyWhich pedogenic outcome arises with high rainfall rates?
A)Accelerated mineral leaching from upper layers✓
B)Increased mechanical weathering fracturing bedrock
C)Promoted stabilisation of organic-rich surface horizons
D)Reduced bioturbation rate and profile mixing
💡 Explanation
Increased rainfall causes faster mineral leaching because water acts as a solvent in chemical weathering, therefore mobile ions are preferentially transported downwards, rather than upward accumulation or stabilisation often associated with drier conditions or less water transport.
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