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History, 16.12.2019 20:31 giulianna41

Which event occurred during the mesozoic era?

a. cyanobacteria begin to fill the air and water with oxygen.

b. pangaea, the super continent, began to break apart.

c. the first plants lived on the land.

d. humans lived on earth.

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Which event occurred during the mesozoic era?

a. cyanobacteria begin to fill the air an...
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