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Which of the following is a process used by animals that produces carbon dioxide as a by-product?

Combustion
Diffusion
Photosynthesis
Respiration

Answer :

Answer:

Respiration

Explanation:

Respiration is an exergonic process that involves the exchange of environmental oxygen and body carbon dioxide and the oxidation of glucose inside the mitochondria to produce energy which is partly stored in the ATP molecules as biologically useful energy.