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← HistoryWhich consequence results when environmental sulfuric oxidation affects limestone-anchored pietra dura?
A)Efflorescence weakens the inlay bond✓
B)Accelerated thermal expansion mismatch occurs
C)Capillary action draws salts inward
D)Microbial growth consumes colored minerals
💡 Explanation
Efflorescence compromises bond strength because sulfuric oxidation corrodes limestone, weakening the mechanical interlock between the Pietra Dura inlay and the substrate, therefore loss of adhesion proceeds, rather than other degradation mechanisms operating at the surface.
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