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What is oil made of?
Answer 1:

Oil is mostly made of carbon and hydrogen, stuck together in long chains of 20-70 carbon atoms. The shape of these long hydrocarbon molecules is almost like a zig-zagging centipede, with two hydrogens as the "legs" coming off each carbon atom in the chain.


Answer 2:

Oil is composed of large complexes of carbon and hydrogen (with usually 10+ carbon atoms per molecule).



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