History, 14.12.2021 04:20 craincrew5239

The fossil record indicates that oxygen was released into the ocean before it was released into the atmosphere. What would be a sound explanation? Question 5 options:

Organisms released oxygen into the ocean until the ocean couldn't absorb anymore, so it was then released into the atmosphere from the ocean

Increases in iron in the ocean from undersea vents prevented oxygen from escaping into the atmosphere

Undersea vents dumped oxygen into the ocean which then released it into the atmosphere

Increasingly diverse life in the oceans led to an abundance of oxygen which drifted into the atmosphere

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