<h3>Answer:</h3><h2>D. Temperature change.</h2><h3>Explanation:</h3>
A chemical reaction is one in which there is a chemical change of at least one of the interacting chemical components to another component. In the case as the candle burns, it uses up Oxygen in the air for combustion and transforms it in its carbonized version like carbon dioxide. This change shows that it is a chemical change.
