Which of the following correctly compares the cycle of gases in cellular respiration and photosynthesis?
A. Photosynthesis produces oxygen and consumes carbon dioxide; cellular respiration produces carbon dioxide and consumes oxygen.
B. Photosynthesis produces oxygen and carbon dioxide; cellular respiration consumes oxygen and carbon dioxide.
C. Photosynthesis consumes oxygen and carbon dioxide; cellular respiration produces oxygen and carbon dioxide.
D. Photosynthesis produces oxygen and carbon dioxide; cellular respiration produces oxygen and carbon dioxide.