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Petroleum - Wikipedia The term petroleum refers both to naturally occurring unprocessed crude oil, as well as to petroleum products that consist of refined crude oil Petroleum is a fossil fuel formed over millions of years from anaerobic decay of organic materials from buried prehistoric organisms, particularly planktons and algae
Petroleum | Energy, Products, Facts | Britannica Petroleum is a complex mixture of hydrocarbons that occur on Earth in liquid, gaseous, or solid form The term is often restricted to the liquid form, commonly called crude oil
Petroleum - Education Petroleum, also called crude oil, is a fossil fuel Like coal and natural gas, petroleum was formed from the remains of ancient marine organisms, such as plants, algae, and bacteria
What is petroleum and when and how is it formed? Petroleum is a black mineral oil, less dense than water and with a pungent odour Viscous and flammable, it consists of a mixture of hydrocarbons combined with sulphur, oxygen and nitrogen