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Which consequence accelerates corrosion in early cast iron cannons?

A)Crevice Corrosion from trapped seawater
B)Oxidation from elevated firing temperature
C)Galvanic corrosion from bronze fittings
D)Stress corrosion during handling transport

💡 Explanation

Galvanic corrosion occurs because the iron cannon (more reactive) acts as the anode; therefore, iron corrodes faster when electrically coupled to bronze fittings (cathode), rather than pure chemical oxidation dominating in dry storage.

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