The correct response is:
rust deposits in the ancient ocean
This evidence indicates that oxygen levels increased in the ocean as photosynthetic bacteria produced oxygen, leading to the oxidation of iron and the formation of rust deposits.
Earth's Processes: Weathering and Erosion Unit Test
10 of 1710 of 17 Items
Question
What evidence is there that oxygen levels in the sea increased due to photosynthetic bacteria?(1 point)
Responses
decreases in anaerobic organisms
decreases in anaerobic organisms
rust deposits in today’s ocean
rust deposits in today’s ocean
global cooling
global cooling
rust deposits in the ancient ocean
1 answer
1 answer