Please answer the following question: Answer the following question given this paragraph: Paint keeps oxygen and water from coming into direct contact with the metal, which prevents corrosion. Paint is more necessary because salt is an electrolyte that increases the conductivity of water and facilitates the flow of electric current between anodic and cathodic sites. Q: Paint keeps oxygen and water from coming into direct contact with the metal, which prevents what? Choices: - heat - evaporation - filtration - corrosion A:
A:
corrosion