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Pls helppp!! Which is the first oxygen-producing organism?
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Pls helppp!! Which is the first oxygen-producing organism?

User Gui Ferreira
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The first oxygen producing organism is cyanobacteria
User Yoav Weiss
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Answer:

cyanobacteria first evolved

Step-by-step explanation:

According to certain experts, it is believed that cyanobacteria originated around 2.4 billion years ago.

User Samy Vilar
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