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Oil – American science

By |2018-04-24T11:06:04+00:00August 15th, 2017|North America, Science|

A homemade oil lamp Oil is a kind of liquid made out of hydrocarbon molecules. It is mostly fat. Lots of plants and animals make oil. In North America, people got most of their oil from salmon, bison, and sunflowers. In Central America, it was avocados and nuts. In Europe, it was butter and lard from cows and pigs. In North Africa and West Asia, it was olives, and [...]