What Is Crude Oil Made of?

Answer

Crude oil is called a fossil fuel because it is made of the decaying material of formerly living things. The way it happens is all the dead stuff that you see on the floor of the forest or on the bottom of swaps builds up after millions and millions of years. This get buried and is put under great pressure for million and millions of years again. Eventually, it turn to oil.
Q&A Related to "What Is Crude Oil Made of"
crude oil is the result of millions of years of forest foliage decomposing and filtering into the earth where it is trapped in chambers.
http://wiki.answers.com/Q/Whats_crude_oil_made_of
Crude oil is a general term for unrefined liquid petroleum. Petroleum is not a simple liquid like water, but is composed of a mixture of many different hydrocarbon molecules. Hydrocarbons
http://www.ehow.com/facts_6868865_diesel-fuel-made...
Also depending on the type of oil you use (light sweet, heavy, etc) and the refining method (thermal cracking, etc) you get different amount of fuels.
http://www.quora.com/What-is-crude-oil-used-for
Crude oil is the term for "unprocessed" oil, the stuff that comes out of the
http://www.chacha.com/question/how-is-crude-oil-ma...
1 Additional Answer
Ask.com Answer for: what is crude oil made of
Petroleum, or crude oil, is a smelly, yellow-to-black liquid and is usually found in underground areas called reservoirs.
Oil was formed from the remains of animals and plants (diatoms) that lived millions of years ago in a marine (water) environment before the dinosaurs.
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