Carbon dioxide and oxygen are linked together in the carbon and oxygen cycle. There are 2 cellular processes involved in this cycle. What are they called, and what does each process mean? Mark TWO answers below.

A: Carbon dioxide is a product of photosynthesis that plants release into the atmosphere.

B: Photosynthesis makes oxygen that plants can release into the atmosphere.

C: Carbon dioxide is generated by cellular respiration and released into the atmosphere.

D: Cellular respiration makes oxygen that plants and animals can release into the atmosphere.