Photosynthesis and cellular respiration play an important role in the cycling of carbon among the biosphere, atmosphere, hydrosphere, and geosphere. Provide an explanation for which letter best represents the role of photosynthesis in the carbon cycle.

Responses
A E, because CO2 is being used by photosynthetic algae.E, because CO 2 is being used by photosynthetic algae.
B D, because CO2 from animal wastes are being released back into the atmosphere.D, because CO 2 from animal wastes are being released back into the atmosphere.
C A, because CO2 being produced by plants in photosynthesis is being released into the atmosphere.A, because CO 2 being produced by plants in photosynthesis is being released into the atmosphere.
D B, because CO2 from the atmosphere is being used in the process of photosynthesis to produce glucose.

D, because CO2 from the atmosphere is being used in the process of photosynthesis to produce glucose.