eli5: How does the decomposition process work under water?

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With composting, you usually want to work with a lot of air and oxygen, aerobic composting. But that is obviously difficult under the water where oxygen is more limited. So what exactly happens when large amounts of bio-matter breaks down in a lake or the sea as opposed to on land and with plenty of oxygen? And are there any man-made composting systems designed to work while fully submerged?

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Anonymous 0 Comments

Eh if you look at the chemical form of water H2O you will find there is indeed oxygen in water. A water molecule is composed of two hydrogen and one oxygen atom, covalently bonded.

https://pubchem.ncbi.nlm.nih.gov/compound/Water#:~:text=Water%20is%20h2O%2C%20a%20clear,boils%20above%20100%20degrees%20centigrade.

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