What happens during rusting of an iron nail?(1 point)

A. Iron and oxygen combine to form iron oxide.
B. Iron and sulfur combine to form iron sulfide.
C. Sulfur, iron, and oxygen combine to form iron sulfoxide.
D. Sulfur and oxygen combine to form a sulfur dioxide coating.

A. Iron and oxygen combine to form iron oxide.

During the rusting of an iron nail, the correct answer is A. Iron and oxygen combine to form iron oxide.