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Which statement describes what occurs in both animal and plant 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.

User Ewen
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1 Answer

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The answer is b. =))))
User Brian Hogan
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