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Oxygen appearing in earths atmosphere is a result of the evolution of photosynthetic prokaryotes
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Oxygen appearing in earths atmosphere is a result of the evolution of photosynthetic prokaryotes

User Daniel Newby
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The change which occurred in earth's atmosphere after the evolution of photosynthesizing prokaryotes is that:

Oxygen appearing in earth atmosphere is a result of the evolution of photosynthetic prokaryotes.

Therefore, the statement is TRUE.

User Brian Gottier
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