How does oxygen concentration affect

How did the success of photosynthetic bacteria change Earth’s atmosphere?(1 point)Responses decreased oxygen concentration
1. 3 answers
2. asked by josie
3. 127 views
How did the success of photosynthetic bacteria change Earth’s atmosphere?(1 point)Responses increased oxygen concentration
1. 1 answer
2. 15 views
How did the success of photosynthetic bacteria change Earth’s atmosphere?(1 point) Responses decreased oxygen concentration
1. 1 answer
2. 85 views
How did the success of photosynthetic bacteria change Earth’s atmosphere?(1 point)Responses decreased oxygen concentration
1. 1 answer
2. 132 views
How did the success of photosynthetic bacteria change Earth’s atmosphere?(1 point)Responses increased oxygen concentration
1. 1 answer
2. 78 views
How did the success of photosynthetic bacteria change Earth’s atmosphere?(1 point)Responses increased oxygen concentration
1. 1 answer
2. 105 views
How did the success of photosynthetic bacteria change Earth’s atmosphere?(1 point)Responses increased hydrogen concentration
1. 5 answers
2. 12 views
How did the success of photosynthetic bacteria change Earth’s atmosphere?(1 point)Responses decreased hydrogen concentration
1. 1 answer
2. 8 views
How did the success of photosynthetic bacteria change Earth’s atmosphere?(1 point)Responses decreased hydrogen concentration
1. 1 answer
2. 93 views
How did the success of photosynthetic bacteria change Earth’s atmosphere?(1 point)Responses increased oxygen concentration
1. 1 answer
2. 175 views