Question

Which is the first oxygen-producing organism?

PLEASE ANSWER THE ABOVE QUESTION.

*BRAINLY MODERATORS,
*BRAINLY GENIUS
*BRAINLY ACE
*BRAINLY EXPERTS
*BRAINLY STARS

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Answer 1

cyanobacteria

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Answer 2

cyanobacteria

And some evidence suggests cyanobacteria, the earliest photosynthetic organisms to release oxygen gas as a waste product—although not use it—may have arisen as early as 3.5 billion years ago.