petroleum
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EIA Energy Kids - Oil (petroleum)
Heavy petroleum components or "fractions" are on the bottom; light fractions are on the top. ... Even though petroleum products make life easier — finding, producing, moving, ...
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Petroleum
Petroleum deposits are locked in porous rocks. almost like water is trapped in a wet ... a petroleum company brings in a drilling rig and. raises an oil ...
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Petroleum - Definition
Definition of Petroleum in the Online Dictionary. Meaning of Petroleum. Information about Petroleum in the online English dictionary and encyclopedia.
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