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Which vulnerability arises when Inca dry stone masonry settles?

A)Reduced structural interlock stability
B)Increased thermal expansion cracking
C)Accelerated biological weathering rates
D)Compromised hydrological gradient function

💡 Explanation

Reduced structural interlock stability occurs because differential settling strains shift adjacent stones, disrupting the intended dry stone masonry INTERLOCK. This decreases frictional resistance, therefore increasing the risk of sections separating, rather than evenly distributing compressive forces.

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