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← GeographyWhich outcome occurs when acidic rainforest litter accumulates?
A)Increased aluminum ion soil concentration✓
B)Enhanced plant nutrient availability
C)Decreased organic matter decomposition rate
D)Reduced clay mineral formation depth
💡 Explanation
Increased soil acidity through pedogenesis via chelation liberates aluminum; because organic acids bind to aluminum ions, they become soluble, leading to elevated aluminum concentration. Therefore, it leaches through the topsoil, rather than increasing nutrient availability or decreasing decomposition rates in rainforest soils.
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