The images show two processes. A marshmallow on a stick, with one side turning brown. A glass with ice cubes and a small amount of water at the bottom. Image A: a roasting marshmallow Image B: melting ice Which statement about the two images is true? Image A shows a physical change, and image B shows a chemical reaction. Image A shows a chemical reaction, and image B shows a physical change. Both images show chemical reactions that are endothermic. Both images show chemical reactions that are exothermic.