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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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Feb 27, 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
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Zenith
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I Believe it to be Stromatolites
Sebastian Inones
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Feb 28, 2023
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Sebastian Inones
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Stromatolites is the answer
Ealhad
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Mar 6, 2023
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Ealhad
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