Which Two Biogeochemical Cycles Depend Directly On Photosynthesis?

Which Two Biogeochemical Cycles Depend Directly On Photosynthesis? Which two biogeochemical cycles depend directly on photosynthesis? The oxygen cycle and the carbon cycle. What cycle is directly related to photosynthesis? The carbon cycle depicts the natural flow of the element carbon through the atmosphere in different forms. There are six main processes in the carbon