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MaRussiya [10]
3 years ago
10

Explain how iron band formations are evidence for the evolution of Earth’s atmosphere.

Biology
1 answer:
Marizza181 [45]3 years ago
7 0

Answer:

Photosynthetic organisms were making oxygen, but it reacted with the iron dissolved in seawater to form iron oxide minerals on the ocean floor, creating banded iron formations. ... The oxygen that is now in the Earth's atmosphere was not there at the beginning.

Explanation:

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