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← HistoryWhich risk dramatically increased when limestone was exposed to acidic runoff from early industrial coal mines?
A)Increased material thermal conductivity
B)Accelerated structural biofouling
C)Pronounced chemical carbonate dissolution✓
D)Significant crystal lattice embrittlement
💡 Explanation
Pronounced chemical carbonate dissolution increases when the limestone reacts with acid drainage, because hydrogen ions break down the calcium carbonate matrix. Therefore, structural integrity diminishes, rather than a change in some other unrelated material property.
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