Quote:
Originally posted by llama8
I was always under the impression that Oil comes from a type of prehistoric animal that used photosynthesis? So a 1/2 plant 1/2 animal if you will 
The true plants and trees formed coal? Maybe I'm wrong and secondary teaching let me seriously down!
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I guess I over simplefide what I said.
Let me add The plants take the carbon from the air the animal eats the plant and the bigger animal eats the smaller animal. Then they all die and become oil in a couple hundred of millions years.
http://www.eia.doe.gov/kids/non-renewable/oil.html
NotMinus, 3-1 doesn't = 4