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===Meaning===
'''Crude oil''' is a [[mixture]] of different [[hydrocarbon]]s formed over millions of years from the remains of dead sea creatures trapped in the [[sediment]] at the bottom of the sea.
===About Crude Oil===
: '''Crude oil''' is known as a [[Fossil Fuel]].
: '''Crude oil''' is a [[Non-renewable Energy Resource|non-renewable energy resource]] so once it is used it cannot be replaced within our lifetime.: Modern technology relies heavily on '''crude oil''' as both a [[fuel]] and a [[feedstock]] for producing [[Plastic (Material)|plastics]].
'''Crude oil''' can be [[Separating Mixtures|separated]] by [[Fractional Distillation|fractional distillation]] into different 'fractions' which have different applications:
*[[Natural Gas]]