Question

write a brief note on source of oxygen​

Answer 1

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• At least half of Earth's oxygen comes from the ocean.
• The majority of this production is from oceanic plankton — drifting plants, algae, and some bacteria that can photosynthesize. One particular species, Prochlorococcus, is the smallest photosynthetic organism on Earth.Oxygen is continuously replenished in the atmosphere by photosynthesis.

Answer 2

Answer:

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