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Which issue arises as differential expansion acts on Mughal pietra dura?

A)Inlay cracking at material boundaries
B)Mosaic detachment due to acid rain
C)Biofilm growth obscuring the art
D)Foundation settling causing facade tilting

💡 Explanation

Cracking emerges at material boundaries because differential thermal expansion creates internal stresses. The dissimilar materials expand and contract at different rates relative to thermal energy; therefore inlay cracking is the consequence, rather than facade issues or general mosaic destabilization.

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