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← GeographyWhich long-term outcome follows increased carbonic acid dissolution during soil pedogenesis?
A)Enhanced clay mineral translocation downward✓
B)Decreased organic matter accumulation rate
C)Stabilization of soil aggregate structure
D)Accelerated nutrient cation retention capacity
💡 Explanation
Increased carbonic acid levels results in enhanced chemical weathering releasing ions that facilitate clay translocation; this `eluviation` (leaching) process accelerates because it raises ion concentrations, therefore clay minerals migrate downward, rather than promoting soil stabilization.
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