Question

Which d 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

I believe it is (C), (Cyanobacteria were the first organisms to produce oxygen in water, which then escaped into the atmosphere.) Hope this helps(: