Evidence of an oxygen-rich atmosphere is the presence of A cyanobacteria B. trace fossils C. banded iron formations D. stromatolites

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Nikola Obreshkov asked Jun 1, 2023

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Evidence of an oxygen-rich atmosphere is the presence of

A cyanobacteria
B. trace fossils
C. banded iron formations
D. stromatolites

Biology
college

Nikola Obreshkov asked Jun 1, 2023

by Nikola Obreshkov

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I Believe it to be Stromatolites

Barungi Stephen answered Jun 2, 2023

by Barungi Stephen

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12 votes

Stromatolites is the answer

Yogesh Doke answered Jun 5, 2023

by Yogesh Doke

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