Photosynthesis and cellular respiration both involve the use and release of gases. Which statement correctly identifies the role of gases in the two processes?

a
Cellular respiration uses oxygen and releases carbon dioxide, while photosynthesis uses carbon dioxide and releases oxygen.
b
Cellular respiration uses carbon dioxide and releases oxygen, while photosynthesis uses oxygen and releases carbon dioxide.
c
Photosynthesis and cellular respiration both use carbon dioxide and release oxygen.
d
Photosynthesis and cellular respiration both use oxygen and release carbon dioxide.

1 answer

The correct statement is:

a: Cellular respiration uses oxygen and releases carbon dioxide, while photosynthesis uses carbon dioxide and releases oxygen.