Which caused early evolution of Earth's atmosphere? (1 point)
O Cyanobacteria and prokaryotes used oxygen.
O Cyanobacteria and prokaryotes gave off oxygen.
O Cyanobacteria and prokaryotes gave off ozone.
O Cyanobacteria and prokaryotes gave off carbon dioxide and other gases.
1 answer
Cyanobacteria and prokaryotes gave off oxygen.