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Oxygen gas is one of the products of photosynthesis. Which reactant is the source for oxygen gas, and how is it released? a) Glucose, released when glucose is broken down into carbon dioxide gas, oxygen gas and water. b) Carbon dioxide, released when sunlight splits it into carbon and oxygen gas. c) Water, released when sunlight splits it into oxygen and hydrogen ions. d) NADPH, released when NADPH breaks down into its component elements.

Option c) Water, released when sunlight splits it into oxygen and hydrogen ions.... View Article