The oxygen we breathe today was once a deadly poison that caused a mass extinction 2.4 billion years ago when cyanobacteria began releasing oxygen through photosynthesis, transforming Earth's atmosphere from anoxic to oxygen-rich.
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Horrifying Fact: The Gas That Keeps You Alive Was Once a Weapon of Mass Destruction! ☠️😱 #nextgenai本站添加:
Take a deep breath. It's refreshing, right?
Just so you know, the oxygen you just breathed in billions of years ago was the deadliest poison in the universe.
2.4 billion years ago, Earth had no oxygen at all.
The first living creatures at that time, a type of ancient bacteria, lived peacefully without oxygen.
Until finally, a group of selfish bacteria called cyanobacteria emerged, which began photosynthesizing and releasing oxygen everywhere.
To other bacteria, it was toxic waste.
This event caused a mass extinction of almost all living things on Earth.
So, the gas you now need to breathe was once the greatest weapon of mass destruction in Earth's history.
The plot twist is quite fitting, isn't it?
So, are you grateful you were born in this era?
Comment your opinion below, and follow this account for more thought-provoking facts.
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