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← HistoryWhich outcome arises when a wooden ship's hull experiences unchecked electrochemical reactions?
A)Pest infestation increases rapidly
B)Increased fouling and drag occurs
C)Hogging or sagging deformation worsens
D)Plank separation and leakage increase✓
💡 Explanation
Increased plank separation occurs due to Galvanic corrosion: dissimilar submerged metals create an electrolytic cell. As the iron fastenings corrode because the iron effectively donates electrons, plank securing diminishes; therefore separation grows, rather than increased biofouling alone.
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