Answer:
During cellular respiration, glucose is broken down in the presence of oxygen to produce carbon dioxide and water.
Explanation:
Energy released during the reaction is captured by the energy-carrying molecule ATP (adenosine triphosphate).
He is incorrect because a catalyst is a substance that speeds up a chemical reaction so if there is no reaction to begin with a catalyst will not due anything.
Answer:
greenhouse gas most responsible for global warming
Explanation: