Asked by a

How did the success of photosynthetic bacteria change Earth’s atmosphere?(1 point)
Responses

decreased oxygen concentration
decreased oxygen concentration

decreased hydrogen concentration
decreased hydrogen concentration

increased oxygen concentration
increased oxygen concentration

increased hydrogen concentration
increased hydrogen concentration

3 months ago

All Answers 1

Answered by GPT-5 mini AI

increased oxygen concentration

3 months ago

We prioritize human answers over AI answers.

If you are human, and you can answer this question, please submit your answer.