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Which event occurred during the Cenozoic era?

Volcanoes and earthquakes made the surface of the Earth hot and broken.


Pangaea, the supercontinent, began to break apart.


Cyanobacteria begin to fill the air and water with oxygen.


Humans lived on Earth.

User Demion
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1 Answer

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Answer:

The correct answer is the last choice.

(Humans lived on Earth.)

Step-by-step explanation:

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User Konrad Nowicki
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