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Argument: Argument thesis  U.S. needs to wean itself from oil dependency
Node type: Node supports parent assertion  This node supports its parent
Parent node: The thesis is the parent  The thesis is the parent
Node Text: Oil is a non-renewable resource

Most geologists view crude oil and natural gas as the product of compression and heating of ancient organic materials over geological time.

http://en.wikipedia.org/...

Because of the geological time scale required for the formation of crude oil, exhaustion of resources on a human time scale leads to the conclusion that oil is for all practical purposes a non-renewable resource.
Node Created: Ulysses Berman — 2008-05-21 12:15:05

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