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Which outcome arises when seasonal temperature cycling increasingly stresses pietra dura in Mughal monuments?

A)Differential thermal expansion causes cracking
B)Albedo reduction increases surface temperature
C)Capillary action induces salt deposition
D)Grout oxidation increases carbonation effects

💡 Explanation

Differential thermal expansion causes cracking because different materials in pietra dura expand/contract at varied rates creating stress, therefore causing detachment, rather than uniform expansion, which keeps materials intact under load.

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