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← GeographyWhich consequence typically results when prolonged tephra deposition buries arable land?
A)Soil horizon development becomes inhibited✓
B)Enhanced cation exchange capacity develops
C)Increased mineralization releases vital nutrients
D)Accelerated nitrogen fixation happens rapidly
💡 Explanation
Tephra buries surface soil, inhibiting the pedogenesis mechanism, because it smothers the biological activity that develops soil horizons. Thus, profile formation halts; rather than enhancement, the pre-existing soil’s nutrient cycle is interrupted.
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