asked 132k views
4 votes
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

asked
User Ivelisse
by
8.2k points

2 Answers

7 votes
I put Oxygen. Im not sure if it is right but i looked on the internet.
answered
User Iacopo Boccalari
by
8.5k points
1 vote
oxygen is the right answer if you're on plato


answered
User TriggerNZ
by
9.1k points
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