which is required for the light - independent reactions in photosynthesis to occur?\nwater\nsunlight\noxygen\…

Brief Explanations:

In the light - independent reactions (Calvin cycle) of photosynthesis, carbon dioxide is used to make organic compounds. Water is used in light - dependent reactions for oxygen evolution. Sunlight is absorbed in light - dependent reactions. Oxygen is a product of light - dependent reactions.

Answer:

D. carbon dioxide