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Which outcome occurs when differential thermal expansion affects pietra dura inlay within a humid Mughal garden environment?

A)Material surface flaking or spalling
B)Uniform color fading in organic pigments
C)Decreased nutrient delivery to soils
D)Accelerated bronze component passivation

💡 Explanation

Surface flaking occurs because differential thermal expansion stresses material boundaries, leading to cracking via a process called adhesive failure. Therefore spalling occurs rather than even pigment decomposition or soil changes under thermal cycling and moisture gradients.

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