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← GeographyFollowing heavy rainfall in a tropical environment with porous soil, which outcome is most likely to observed due to eluviation?
A)Depletion of nutrients in topsoil✓
B)Enrichment of clay in topsoil
C)Increased mineral content near bedrock
D)Formation of a thick caliche layer
💡 Explanation
In heavy rainfall, eluviation causes depletion of nutrients, because water percolates downwards dissolving and transporting minerals. This is leaching, therefore the topsoil becomes infertile rather than enriched. Weathering releases material from bedrock, separately.
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