Does it ever decompose or turn into something? If no, then theoretically, if we burned all dead bodies for trillions of years, would earth eventually run out of supply because there was only ash left, thus life would end? Sorry if this sounds stupid
In: Chemistry
Ash is mostly oxidized minerals. At some point these minerals were rocks or sand before plants or bacteria were able to absorb them. This is how it entered our body in the first place. Ash is actually used as a fertilizer in order to give plants mineral suppliments. Some mineral suppliments for humans are even based on ash which have been purified, although not from human cremation.
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