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Which outcome arises when fluctuating temperatures affect 'pietra dura' inlay within a Mughal-era monument?

A)Differential thermal expansion and cracking
B)Uniform volumetric contraction and settling
C)Accelerated oxidation and color fading
D)Galvanic corrosion between inlay and marble

💡 Explanation

Cracking appears because differential thermal expansion causes dissimilar materials to expand/contract at different rates, inducing stress along boundaries, therefore mechanical failure is the outcome, rather than uniform settling which necessitates uniform properties/behavior.

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