Production of oxygen during photosynthesis is the byproduct of the breakdown of water. is a direct result of the electron transport chain. occurs during the light-independent reactions. is the primary goal of photosynthesis.

The process that produces oxygen is the photosynthesis and when oxygen is released as the result of its production during photosynthesis, it is a by-product of splitting the water molecules. The reduction of oxygen which forms water occurs during respiration.

answer: 45

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