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antiseptic1488 [7]
4 years ago
15

What was the “oxygen revolution,” which took place 2.3 billion years ago??

History
1 answer:
kicyunya [14]4 years ago
3 0
<span>The "oxygen revolution" was the rapid increase in atmospheric oxygen that took place 2.3 billion years ago, with the origin of plants.


</span>
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