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← GeographyWhich soil horizon development increases rapidly when physical weathering intensifies?
A)Increased A horizon organic matter
B)Decreased B horizon clay accumulation
C)Expansive C horizon regolith formation✓
D)Enhanced E horizon eluviation rate
💡 Explanation
Increased physical weathering accelerates the breakdown of bedrock, causing regolith formation in the C horizon; therefore, C horizon development increases, because weathering produces parent material rather than influencing organic matter, clay, or eluviation.
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