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08-06-2017
History

contestada

In which era did life first appear?
I believe it is paleozoic but I've also heard its precambrian

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Dawniee Dawniee

08-06-2017

Life was first appeared on land in the crozoan era 2.5 million years ago
but the first breathing life forms were here at the Paleozoic era 251 million years ago

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