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← HistoryWhich risk increases when medieval masons used lime mortar extensively?
A)Decreasing structure flexibility over time✓
B)Accelerated reinforcement rod crystallization
C)Increased thermal expansion of structure
D)Dehydration of building stone layers
💡 Explanation
Lower temperatures were often employed impacting carbon sequestration; carbonation is restrained due to lower winter temperatures decreasing bridge flexilibity over time because the carbonation (reaction with CO2) caused increased limestone crystallization, leading to stiffness, rather than increased strength, therefore restricting load distribution through structure.
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