Question

Which of these statements is true about the oxygen revolution?. . A. Cyanobacteria were the first organisms to introduce oxygen into the atmosphere.. . B.Protocells were the first organisms to produce oxygen in water, which then escaped into the atmosphere.. . C.Cyanobacteria were the first organisms to produce oxygen in water, which then escaped into the atmosphere.

Answer 1

That would be letter C.

Answer 2

I believe the correct answer among the choices presented above is option C. In the oxygen revolution, Cyanobacteria were the first organisms to produce oxygen in water, which then escaped into the atmosphere. They were said to be the first microbes to produce oxygen.