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← GeographyWhich substance migration results when heavy rainfall impacts nutrient-poor tropical soils?
A)Silicate mineral translocation to lower horizons✓
B)Clay particle aggregation reduces permeability
C)Cation exchange capacity increases rapidly
D)Organic matter accumulates on the surface
💡 Explanation
Silicate mineral translocation is a direct consequence of intense weathering, and the mechanism is leaching because rainwater percolates through the soil, dissolving and carrying the silicates downward; therefore silicates move, rather than remaining in place.
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