Photosynthesis and cellular respiration are two processes that help drive earth carbo cycle carbon

Cellular respiration and photosynthesis are important parts of the carbon cycle. The carbon cycle is the pathways through which carbon is recycled in the biosphere. While cellular respiration releases carbon dioxide into the environment, photosynthesis pulls carbon dioxide out of the atmosphere.

Is there any pictures in the question? i can’t answer the question without seeing the model.

The higher you go up the less oxygen there is