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Which outcome occurs when water freezes inside fractured concrete?

A)Increased expansive stress on the structure
B)Decreased structural density and strength
C)Reduced thermal conductivity of material
D)Enhanced chemical weathering of aggregate

💡 Explanation

Expansive stress increases because Ice formation during the phase transition causes volume expansion via crystallization, producing stress. This stress causes cracking; therefore, the stress rises rather than the aggregate weathering, changing density, or changing conduction independently.

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