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