The Archean (3.5-2.5 bya)

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Question: The Archean (3.5-2.5 bya)

Answer: The Correct Answer is The Archean is marked by the oldest fossil, a prokaryote resemblingblue-green algae . this is found in the Apex Chert of Western Australia and is dated at 3.5 bya. cyanobacteria is photosynthetic, so this is a well developed andcomplex organism

Reason Explained

The correct is The Archean is marked by the oldest fossil, a prokaryote resemblingblue-green algae . this is found in the Apex Chert of Western Australia and is dated at 3.5 bya. cyanobacteria is photosynthetic, so this is a well developed andcomplex organism

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