Respuesta :

Oxygen (6O2) and Glucose (C6H12O6)

Reference: 6CO2 + 6H2O + light energy = C6H12O6 + 6O2.
One of the products of photosynthesis is glucose, which is the best molecule that produces energy to run the process of the cell.

Oxygen is a byproduct is the process of photosynthesis.