thomasb1 thomasb1

22-09-2016
Biology

contestada

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

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sophiehill02 sophiehill02

23-09-2016

I put Oxygen. Im not sure if it is right but i looked on the internet.

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uvjhbjjkhjh uvjhbjjkhjh

29-09-2016

oxygen is the right answer if you're on plato

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