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← GeographyWhich outcome accelerates physical soil degradation when exposed?
A)Oxidation amplifies mineral volume changes.
B)Frost cracking erodes particle cohesion.✓
C)Hydrolysis alters clay structures rapidly.
D)Chelation mobilizes cations efficiently.
💡 Explanation
Frost cracking expands water trapped in cracks due to freeze-thaw cycles and mechanical weathering, because the ice volume grows and stresses the material far beyond its cohesive limits. Therefore particle detachment is favored rather than chemical changes or dissolution.
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