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Which material failure increases in Inca rope suspension bridges when temperature drops?

A)Yarn extensibility severely declines
B)Fibers experience plastic deformation
C)Cable strain becomes negligible
D)Supports experience dynamic loading

💡 Explanation

Yarn extensibility declines at lower temperatures primarily because of increased cohesion between fibers restricting movement, leading to brittle fracture; therefore reduced extensibility increases failure chances rather than deformation, negligible strain, or only affecting auxiliary supports.

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