Why is an increasing pH often an indication that photosynthesis has occurred in an experiment?

Why is an increasing pH often an indication that photosynthesis has occurred in an experiment?



a. As CO2 is released, carbonic acid is created and the pH will rise

b. As CO2 is absorbed, carbonic acid is reduced and the pH will rise

c. As O2 is released, Oxalic acid is created and the pH will rise


Answer: A


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