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← HistoryWhich outcome results when prolonged moisture exposure undermines Mughal pietra dura mosaics?
A)Inlay delamination from thermal expansion
B)Biogenic material darkening via oxidation
C)Substrate weakening from hydrostatic pressure
D)Salt crystal growth accelerates erosion✓
💡 Explanation
Salt crystal growth causes surface crumbling because water carries dissolved salts into microscopic pores within porous stones; therefore, crystallization exerts expansive pressure that degrades the surrounding material, rather than expansion or substrate weakening occurring.
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