What are the three byproducts of combustion?

The correct choice identifies light, heat, and smoke as the three primary byproducts of combustion. When any material undergoes combustion, it reacts chemically with oxygen, producing these substances as a result of the exothermic reaction.

Heat is a crucial byproduct because combustion releases energy in the form of heat, which can be utilized for various purposes, such as cooking, heating, or powering engines. Light occurs during combustion due to the rapid oxidation of materials, which produces flames or glowing embers, making it visible. Smoke is generated when incomplete combustion takes place, resulting in unburned particles and gases being released into the atmosphere.

The understanding of this process is essential in fire safety, as recognizing these byproducts can help in assessing fire behavior and implementing safety measures effectively.