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Which were the earliest oxygen-producing life-forms? a.cyanobacteria. b.seaweed. c.dinosaurs. d.ferns.
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Jul 23, 2018
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Which were the earliest oxygen-producing life-forms?
a.cyanobacteria.
b.seaweed.
c.dinosaurs.
d.ferns.
Biology
high-school
Maksim Kotlyar
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Maksim Kotlyar
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A. CYANOBACTERIA is the CORRECT answer!
ScottyC
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Jul 25, 2018
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ScottyC
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A is the correct answer
Allaye
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Jul 27, 2018
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Allaye
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