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Which event occurred during the Cenozoic era?

Early humans began to make tools, harvest plants, and make cave paintings.


Pangaea, the super continent, was formed.


Pangaea began to break apart into many continents separated by shallow seas.


Cyanobacteria filled the water and air with oxygen.

User GantengX
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7 votes

Answer:

Early humans began to make tools, harvest plants, and make cave paintings.

User Gift
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