anniemannyam anniemannyam
  • 18-05-2017
  • Biology
contestada



The first appearance of life was in the ______ Eon.



Archean


Phanerozoic


Proterozoic


none of the above

Respuesta :

breado
breado breado
  • 18-05-2017
Proterozoic is the answer.
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