9. Wood and oxygen are commonly burned in campfires, and all that's leftover is ash and char. Which of the following explanations best describes the chemical reaction taking place in a campfire? (7.PS1.4)
a
Mass is created in the reaction in the form of smoke.
b. Mass is destroyed in the reaction which causes the ash to be a light gray color,
c. The mass of the reaction increases as the wood gets hotter.
d. The total mass of the reaction stays the same, but mass leaves the wood as smoke.