The answer is A Plants use carbon and release oxygen, and animals release carbon and uses oxygen
Answer: C) Is gold heavier than silver?
Explanation: .-.
More advanced than tools used on earth
The products of one process are the reactants of the other. Notice that the equation for cellular respiration is the direct opposite of photosynthesis: Cellular Respiration: C6H12O6 + 6O2 → 6CO2 + 6H2O. Photosynthesis: 6CO2 + 6H2O → C6H12O6+ 6O.