That Answer would be...
C. Fireworks exploding
because this is a chemicals change the creates the fireworks.
A combustion reaction is when a substance reacts with oxygen and releases a huge amount of energy in the form of light and heat. A combustion reaction always has oxygen as one reactant. ... A combustion reaction also always produces CO2 and H2O.
So water (H2O) is created
Source: https://study.com/academy/lesson/writing-and-balancing-combustion-reactions.html
Reactant: carbon dioxide and sodium phenoxide
product: sodium salicylate
4.61*10^22 oxygen atoms in 2.30 quartz