Eli5 how is crude oil made?

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As a child, I was always told that when the dinosaurs died, they eventually got broken down into crude oil, which get refined into a list of products.

Well I seen a post somewhere that was saying the crude oil wasn’t made from dinosaurs. So if it’s not made from the remains of the dinos, how it is made then.

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Anonymous 0 Comments

You’re not that far off. It is from prehistoric life that gets trapped underground; it’s just that vast majority of it isn’t from dead dinosaurs. It by and large actually is formed from plant life (mostly algae) and plankton.

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