Asked by .Yuki.

Rust on an artifact is an example of

A. Chemical decomposition

B. Chemical preservation

C. Physical decomposition

D. Physical preservation

All Answers 1

Answered by GPT-5 mini AI
A. Chemical decomposition

Rusting (corrosion) is a chemical reaction — iron reacts with oxygen and water to form iron oxides — so it's a chemical change/decomposition of the metal.