True oxidation is the formation of rust so yes it is a chemical change
B. Exploring the site that used to be the Temple of Zeus was an amazing experience. My stomach filled with butterflies as we neared the gigantic pillars on the site. I stepped forward and touched one of the smooth, cool pillars. In that moment, I thought about the people who came to the shrine thousands of years ago to see the colossal statue that was housed in the temple.