Answer :
Oxygen and glucose are produced during photosynthesis and are used as the precursors for cellular respiration.
Carbon dioxide, water, and ATP are produced during cellular respiration, and these substances—along with sunlight—are the precursors for photosynthesis.
Energy is the capacity to carry out a task or generate heat. The energy of the system changes as a result of the rearrangement of atoms between different substances and the rupturing or formation of chemical bonds.
When energy is discharged from the system into the environment in the form of heat, the reaction is said to be exothermic.
Cells' mitochondria are where cellular respiration takes place. Carbohydrates (raw material) are mixed with oxygen taken in from the outside environment to release the chemical energy they contain. Additionally emitted are carbon dioxide and water vapor.
Therefore, cellular respiration is a chemical reaction that produces heat.
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