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Which statement describes what occurs in both plant and animal cells?
A. Nitrogen is used for respiration and oxygen is a waste product
B. Oxygen is used for respiration and carbon dioxide is a waste product
C. Nitrogen is used for respiration and carbon dioxide is a waste product
D. Carbon dioxide is needed for respiration and oxygen is a waste product

Answer :

The answer is B. Oxygen is used for respiration and carbon dioxide is waste product

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