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← HistoryWhich outcome accelerated decay within Mughal pietra dura inlay due to material incompatibility?
A)Galvanic corrosion induced metallic oxidation
B)Delamination caused differential thermal expansion
C)Hygroscopic stress promoted sulfate attack✓
D)Capillary action enabled salt migration
💡 Explanation
Hygroscopic stress promoted sulfate attack because differing materials absorbed moisture unevenly causing expansion/constraction within the inlay's porous layers, therefore, fracturing the stone, rather than galvanic corrosion because there were few dissimilar metals involved.
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