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← HistoryWhich mechanism would compromise a Viking rope bridge most readily when exposed to prolonged cycles of freezing and thawing?
A)Ice lens formation within fibers✓
B)Abrasion from pedestrian traffic
C)Saltwater corrosion of anchor points
D)UV-induced degradation of hemp
💡 Explanation
Ice lens formation causes fiber breakdown because water expands upon freezing, physically stressing the rope's matrix. This repeated cycle weakens the entire structure, therefore compromising its integrity, rather than abrasion or UV damage which are relatively slower processes.
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