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I. Car metal rusting slowly for a year.

II. Condensation of water vapor on a mirror during a 5-minute shower.

III. The formation of a precipitate in a test tube during a 10-second reaction.

IV. The oxidation of copper on the Statue of Liberty for more than 100 years.

23) Which of the processes above are examples of a chemical reaction?

A) I and II

B) III and IV

C) I, II, and III

D) I, III, and IV​