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← HistoryWhich outcome arises when ice lens formation compromises ancient Roman aqueduct stability?
A)Arch collapse due to expanding ice✓
B)Sedimentation causing reduced flow
C)Biofilm growth obstructing water passage
D)Increased CO₂ dissolving concrete
💡 Explanation
Arch collapse occurs because the progressive ice lens formation exerts expansive forces within the aqueduct's structure; this is a freeze-thaw cycle failure, therefore disintegration occurs, rather than sedimentation or direct chemical attack, within variable environmental systems.
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