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← GeographyWhich process accelerates soil horizon development during temperate forest pedogenesis?
A)Earthworm mixing of organic layers✓
B)Evaporation induced mineral precipitation
C)Intense seasonal freeze-thaw cycles
D)Rapid chemical weathering of bedrock
💡 Explanation
Bioturbation via earthworms mixes soil, distributing organic matter; therefore, the humification is sped up enhancing horizon formation, because this supports decomposition rather than concentrating it in deeper layers; rapid weathering would affect all horizons similarly, rather than differentiating them.
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