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← GeographyUnder which conditions does iron translocation accelerate during soil pedogenesis?
A)High organic acid concentration dominates✓
B)Elevated soil salinity exists extensively
C)Extreme sub-zero cryogenic temperatures persist
D)Reduced clay buffering reactions happens rapidly
💡 Explanation
Elevated organic acids enhance chelation; solubilizing and transporting iron, because increased acidity promotes dissolution via chelation. Translocation is accelerated; therefore, increased acidity drives iron mobility rather than salinity, cryogenics, or buffering individually influencing mobility as aggressively.
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