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ARCHAEAN EON (1 ene 1000000000 año aC – 30 dic 1000000000 año aC)

Descripción:

GEOLOGICAL:
- 3800 mya: Surface of the Earth changed from molten to solid rock.
BIOLOGIAL:
-First known oxygen-producing bacteria: cyanobacteria (blue-green algae) form stromatolites

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Bymaria
21 mar 2019
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fecha:

1 ene 1000000000 año aC
30 dic 1000000000 año aC
~ 12 months
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