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the proliferation of cyanobacteria was a major contributing factor to the appearance of advanced organisms. identify the gas released by the cyanobacteria that supports this statement. A. ferrous oxide B. oxygen C. hydrogen

User Ivelisse
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2 Answers

7 votes
I put Oxygen. Im not sure if it is right but i looked on the internet.
User Iacopo Boccalari
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oxygen is the right answer if you're on plato


User TriggerNZ
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