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Biology 9 Online
OpenStudy (anonymous):

Light is needed in what stage(s) of photosynthesis? A. First stage B. Second stage C. First and second stages D. Neither stage

OpenStudy (anonymous):

A. First stage During the first stage sunlight (through chlorophyll) is used to convert ADP into ATP. This ATP is used as an energy source for the formation of carbohydrate in the dark stage (which is the second stage).

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