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.
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Which statement describes what occurs in both animal and plant cells? a) nitrogen is used for respi...
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