You heat two substances, A and B. Both substances change color. When cooled, substance A returns to its original color, but substance B does not. What most likely happened?. . A. A physical change occurred in both substances.. . B. A physical change occurred in substance A, and a chemical change occurred in substance B.. . C. A chemical change occurred in substance A, and a physical change occurred in substance B.. . D. A chemical change occurred in both substances.