Question

why would the mass of the products of burning a campfire be the same as the mass of the reactants that were used to create the campfire? because matter cannot be created nor destroyed because matter can be created and destroyed

Explanation:

According to the law of conservation of mass in chemistry, matter cannot be created or destroyed in a chemical reaction (like a campfire burning). The mass of reactants equals the mass of products.

Answer:

because matter CANNOT be created nor destroyed