Answer: Photosynthesis and cellular respiration are related because the reactants for photosynthesis is the products (plus ATP) is cellular respiration. Also the products for cellular respiration is the reactants for cellular respiration.
Explanation:
Heat cannot add energy to chemical reaction in a light stick. in the light stick reaction release energy which produce light. This reaction is called chemiluminescence which produce light without heat.Since heat is not produced it cannot add energy.