[Answer] Which best identifies why the rusting of an iron nail in the presence of water and oxygen is an oxidation-reduction reaction?

Answer: Electrons are transferred.

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Which best identifies why the rusting of an iron nail in the presence of water and oxygen is an oxidation-reduction reaction? Galvanic corrosion (also called bimetallic corrosion or dissimilar metal corrosion) is an electrochemical process in which one metal corrodes preferentially when it is in electrical contact with another in the presence of an electrolyte.A similar galvanic reaction is exploited in primary cells to generate a useful electrical voltage to power portable devices. An acid–base reaction is a chemical reaction that occurs between an acid and a base.It can be used to determine pH.Sev...

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