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← HistoryWhich mechanism destabilized load-bearing stone lintels during ancient Mayan construction?
A)Progressive shear stress fracturing✓
B)Differential thermal expansion warping
C)Capillary action salt weathering
D)Microbial action organic decomposition
💡 Explanation
Progressive shear stress fracturing creates catastrophic failures of stone lintels over time because stress concentrates at crack tips due to static loading, therefore initiating fractures; weathering impacts the exterior rather than structural integrity, and requires specific environments.
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