How do trees produce oxygen?

Oxygen is formed by all plants during photosynthesis. This is a process that takes place in chloroplasts with the participation of chlorophyll, sunlight, water and carbon dioxide. The main product of photosynthesis is organic matter (starch and sugars). The photons of light are absorbed by chlorophyll and contribute to the transition of electrons to a higher energy level. As a result, water decomposes into hydrogen, which is necessary for the conversion of carbon dioxide into glucose and free oxygen.



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