It's actually plankton and other single cell sea life that has made the crude oil. WAaaaaayyyyyy before any dinosaur was a twinkle in anyone's eye!
Both. bacteria and plankton.
I guess (You) don't care to provide a sauce, if it's so widely available!
I only found this link https://www.investors.com/politics/commentary/we-are-not-running-out-of-oil-earth-produces-crude/
Plenty on replenishing skin oils.
Elitist prick