Concept:Photosynthesis converts light energy into chemical energy, producing glucose and releasing oxygen.Explanation:The word equation for photosynthesis is:6CO2+6H2OlightC6H12O6+6O2Carbon dioxide and water are the reactants used up during the process.Oxygen is released as a byproduct into the atmosphere.Glucose is the main carbohydrate formed and serves as an energy source for the plant.Therefore, the primary products are glucose and oxygen.Answer:B. Glucose and oxygen.