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← HistoryWhich material degradation accelerates at pietra dura inlay?
A)Galvanic corrosion around metal inlays✓
B)Thermal expansion of glass tesserae
C)Hydrolysis within porous stone margins
D)Oxidation of organic adhesives rapidly increases
💡 Explanation
Galvanic corrosion results due to differences between the nobles various inlaid metals, because the metal acts as an anode causing oxidation when moisture is present; therefore, the metal corrodes rather than other materials whose reactivity is lower causing a dissimilar reaction.
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