amelylangevin937 amelylangevin937

16-07-2022
Biology

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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

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yourgalze yourgalze

16-07-2022

Stromatolites is the answer

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7cayh96tvn 7cayh96tvn

16-07-2022

I Believe it to be Stromatolites

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