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

Question

Responses

increased oxygen concentration
increased oxygen concentration

increased hydrogen concentration
increased hydrogen concentration

decreased hydrogen concentration
decreased hydrogen concentration

decreased oxygen concentration

Answer 1

increased oxygen concentration

Answer 2

is this correct

Answer 3

Yes, that is correct. The success of photosynthetic bacteria, specifically cyanobacteria, led to an increase in oxygen concentration in Earth's atmosphere through the process of photosynthesis.