Where does the oxygen released during photosynthesis come from?
Understand the Problem
The question is asking about the origins of oxygen produced during the process of photosynthesis in plants. It seeks to understand whether the oxygen comes from carbon dioxide, water, or another source during this biological process.
Answer
water
The final answer is water
Answer for screen readers
The final answer is water
More Information
The oxygen released during photosynthesis comes from the splitting (photolysis) of water molecules. This was experimentally proven by Cornelius van Niel.
Tips
A common mistake is thinking that the oxygen comes from carbon dioxide, but it actually comes from water.
Sources
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