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Geography

Which consequence results when increased bioturbation rates occur?

A)Enhanced soil horizon structural homogeneity
B)Reduced nutrient availability near surface
C)Decreased weathering of parent bedrock
D)Weaker aggregate stability in topsoil

💡 Explanation

Bioturbation mixes soil layers, leading to homogenization because the disturbance decreases differentiation; therefore, uniform layering replaces sharp horizon distinctions, rather than reduced nutrients or inhibited weathering.

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