stussyamanda stussyamanda
  • 02-11-2017
  • Biology
contestada

which were the earliest oxygen-producing life-forms?
a.cyanobacteria.
b.seaweed.
c.dinosaurs.
d.ferns.

Respuesta :

Аноним Аноним
  • 02-11-2017
A. cyanobacteria is the answer!
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allyssaquigley
allyssaquigley allyssaquigley
  • 02-11-2017
A is the answer Cyanobacteria I hope this helps
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