PLEASE I NEED HELP ON THIS Wood and oxygen are commonly burnt at campfires and all that's leftover is ash and char. Drag and drop the best conclusion about this chemical reaction into the white box.

DRAG & DROP THE ANSWER

The mass of the reaction increases as the wood gets hotter.

Mass Is lost in the reaction, that is why the ash is lighter.

The total mass of the reaction remains the same but mass leaves the wood as smoke.

Mass is gained in the reaction in the form of smoke.