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Which outcome occurs when thermal cycling affects the limestone substrate beneath exposed Mughal pietra dura?

A)Differential stress causes component delamination
B)Oxidation accelerates pigment degradation gradually
C)Volumetric change enhances material elasticity
D)Hydrophobic protection restricts salt efflorescence

💡 Explanation

Differential expansion causes component delamination because cyclical temperature changes induce uneven stresses between the marble inlay and the distinct limestone substrate; therefore, the materials separate, rather than expand together in perfect unison.

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