Fossil fuel/Definition: Difference between revisions

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Fossil fuels are substances such as coal, natural gas and petroleum having a high percentage of carbon and hydrocarbons that were formed by the decay of biomass and other dead organisms over a time period of millions of years.

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	~~<noinclude>{{Subpages}}</noinclude>~~		Fossil fuels are substances such as [[coal]], [[natural gas]] and [[Petroleum crude oil\|petroleum]] having a high percentage of [[carbon]] and [[hydrocarbon]]s that were formed by the decay of [[biomass]] and other dead [[organisms]] over a time period of millions of years.

	Fossil fuels are substances having a high percentage of [[carbon]] and [[hydrocarbon]]s that were formed by the decay of [[biomass]] and other dead [[organisms]] over a time period of millions of years~~, the most common being [[coal]], [[natural gas]], [[fuel oil]] and various hydrocarbon [[gas]]es and [[liquid]]s derived from natural gas and [[petroleum crude oil]]~~.