Question

here is a very simple model of part of the carbon cycle. place the applicable labels where they should go, then click \submit response.\. respiration photosynthesis fossil fuel formation decomposition combustion

Explanation:

Plants take in carbon - dioxide ($CO_2$) during photosynthesis and release it during respiration. Respiration occurs in plants and other organisms. Photosynthesis is the process by which plants use sunlight, carbon - dioxide, and water to produce glucose and oxygen.

Answer:

Left box: Respiration
Right box: Photosynthesis