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← GeographyWhich long-term outcome affects biome distribution when volcanic tephra deposition exceeds pedogenesis?
A)Soil nutrient profile depletion✓
B)Accelerated chemical weathering rates
C)Enhanced soil carbon sequestration
D)Progressive soil horizon development
💡 Explanation
Deposition exceeding pedogenesis reduces essential nutrient profiles, because weathering releases nutrients from ash slower than plants uptake them, altering vegetation; therefore biome types distribution shifts, rather than an increase weathering, carbon sequestration, or developed horizons.
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