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02-11-2022
Biology

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hypothesis 1: water (h2o) is the source of the o2 released in photosynthesis. hypothesis 2: carbon dioxide (co2) is the source of the o2 released in photosynthesis. hypothesis 3: both h2o and co2 release o2 in photosynthesis. hypothesis 4: o2 released during photosynthesis is derived from something other than h2o or co2 the experiment was designed to distinguish among which of the alternative hypotheses?

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