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← GeographyWhich soil horizon develops when excessive rainfall causes eluviation?
A)Well-defined E horizon✓
B)Prominent B horizon formation
C)Rich O horizon profile
D)Accumulated C horizon composition
💡 Explanation
A well-defined E horizon forms because excessive rainfall promotes leaching of soluble minerals and clay; this process of eluviation strips the upper soil layers during podzolization. The E Horizon develops there rather than others because minerals are dissolved and carried downwards.
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