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← ScienceWhich outcome occurs when sacrificial anodes deplete preventing electron flow?
A)Increased corrosion rate on steel hull✓
B)Electrolyte resistance exceeds threshold
C)Polarization effects become dominant overall
D)Passivation layer spontaneously reforms slowly
💡 Explanation
When sacrificial anodes deplete, cathodic protection ceases; therefore, the steel hull corrodes at an accelerated rate because galvanic corrosion resumes owing to the absence of electron supply, rather than cathodic prevention given by the anodes if working properly.
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