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16 June, 14:09

Which event occurred during the Paleozoic era?

Pangaea began to break apart into many continents separated by shallow seas. Cyanobacteria filled the water and air with oxygen.

Early humans began to make tools, harvest plants, and make cave paintings. Pangaea, the super continent, was formed.

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  1. 16 June, 14:23
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    pangaea began to break up into many contents separated by shallow seas
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