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Kitty [74]
3 years ago
10

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

Geography
2 answers:
creativ13 [48]3 years ago
6 0
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!
s344n2d4d5 [400]3 years ago
6 0

Archean eon is the answer

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