The correct answer is B. Corrosion.
Corrosion is the deterioration of a metal by an electrochemical process. It is a natural process that occurs when a metal comes into contact with a substance that is more reactive than it is. The most common type of corrosion is rusting, which is the oxidation of iron.
Erosion is the wearing away of a material by the action of a fluid or a solid. It is a mechanical process that can be caused by wind, water, ice, or other objects.
Passivation is a process that protects a metal from corrosion by forming a layer of oxide on the surface of the metal. This layer is non-reactive and prevents the metal from coming into contact with the substance that is causing the corrosion.
Abrasion
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