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← HistoryWhich 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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