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← GeographyIn wetlands, which outcome from iron oxidation accelerating?
A)Increased nutrient translocation to plant roots✓
B)Enhanced methanogenesis through decomposition
C)Reduced dissolved organic carbon export
D)Decreased sulfide mineral formation
💡 Explanation
Bioturbation by burrowing organisms increases oxygen penetration, accelerating iron oxidation and precipitation in root sheaths; therefore, nutrient translocation through iron plaques around roots increases rather than decreased organic carbon export because iron coatings bind organic matter.
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