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Evolution of the Earth's Atmosphere

Question

Where did lots of the carbon dioxide go when oceans formed?

3 years ago

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M

Maximus Considine


1 Answer

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Carbon dioxide dissolves in water. It can subsequently be fixed by sea creatures that extract it from water to make carbonates that they use to make skeletons and shells. On a large scale over geological time these have been deposited on the sea floor forming rocks such as chalk and limestone.

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