The presence of rust deposits in ancient oceans shows that oxygen levels in the sea increased due to photosynthetic bacteria.
What does the presence of rust deposits in ancient oceans show?(1 point)
Responses
Oxygen from the Earth’s atmosphere dissolved into the oceans
Oxygen from the Earth’s atmosphere dissolved into the oceans
Anaerobic organisms decreased
Anaerobic organisms decreased
Oxygen levels in the sea increased due to photosynthetic bacteria
Oxygen levels in the sea increased due to photosynthetic bacteria
Oxygen from space traveled into the Earth’s atmosphere
1 answer