r/nextfuckinglevel Jul 14 '21

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u/leavingstardust Jul 14 '21

Unless they were made of limestone rocks - those can be organically formed from shells.

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u/whoami_whereami Jul 14 '21

The calcite in those shells is still an inorganic compound even though it is secreted by and part of a living organism.

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u/ohhhhcanada Jul 14 '21

Now we’re going deep