Which of the following best describes the role of photosynthesis and cellular respiration in the cycling of carbon through the atmosphere?
A. Photosynthesis in plants puts carbon back in the atmosphere and cellular respiration in animals removes carbon from the atmosphere.
B. Photosynthesis and cellular respiration remove carbon dioxide from the only geosphere atmosphere.
C. During photosynthesis and cellular respiration, carbon becomes a part of glucose and is used as a nutrient to both plants and animals.
D. Cellular respiration in animals plus carbon dioxide in the atmosphere for plants to use during photosynthesis.