roxcstu5bs4mariellah roxcstu5bs4mariellah

19-02-2017
Geography

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The time in which life first evolved on earth was the ___ eon.

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Tripwire22 Tripwire22

01-03-2017

Single-celled bacteria showed up during the Archean eon. First animals such as jellyfish and starfish showed up during the Proterozoic eon. Hope this helps!

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xxxtentacionfan xxxtentacionfan

14-05-2019

Archean eon is the answer

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