Scientists think that little or no oxygen gas existed on the early Earth until photosynthesizing bacteria produced oxygen gas in abundance. Which of the following was NOT a result of this increased oxygen?

Question

anonymous · Answer

Oxygen inhibited certain chemical reactions.

Oxygen produced the ozone layer.

Oxygen was produced by active volcanoes.

Oxygen limited the amount of UV radiation.

anonymous · Answer

u couldve just asked me ya know

anonymous · Answer

I figured i could give you another medal if i opened a new question! :)