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← HistoryWhich mechanism caused timber-framed fortifications like motte-and-baileys to degrade relatively quickly?
A)Erosion due to freeze-thaw cycles
B)Rotting accelerated by fungal decomposition✓
C)Collapse led by seismic stress fractures
D)Combustion initiated by lightning strikes
💡 Explanation
When timber is exposed to moisture and oxygen, fungal decomposition occurs because enzymes break down the cellulose/lignin, leading to weakening of the wood. Therefore rotting and accelerated degradation results, rather than erosion, seismic fractures, or combustion which require different environmental conditions .
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