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← GeographyWhich soil characteristic results when clay impedes pedogenesis?
A)Waterlogged horizon development dominates.✓
B)High organic matter mineralization occurs.
C)Nutrient leaching rates decrease rapidly.
D)Reduced cation exchange capacity results.
💡 Explanation
Poor clay drainage induces anaerobic conditions during pedogenesis, therefore waterlogged horizon development dominates. Soil aeration for decomposition decreases rather than increases, because the water saturation inhibits oxygen diffusion much more readily.
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