Question

After some wood has completely burned in a fire, some of the matter that made up the wood has been destroyed.

Answer 1

The correct answer is D - When burning a log, the wood combined its components with oxygen. if you could capture the products (CO2, H2O, C, CO, etc), you would have a greater mass than what you started with, burning the log combined the log's components with oxygen in order to burn it.

Answer 2

i agree that the answer is D