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- Petroleum - Wikipedia
The term petroleum refers to both 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 plankton 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 - National Geographic Society
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: Definition, Formation, Constituents, Types and Uses . . .
Petroleum, a naturally occurring liquid found beneath the earth’s surface, originates from the decomposition of organic matter over millions of years The formation of petroleum begins with ancient marine organisms, such as plankton and algae, settling at the bottom of oceans and seas
- Oil and petroleum products explained - U. S. Energy Information . . .
Over millions of years, the remains of these animals and plants were covered by layers of sand, silt, and rock Heat and pressure from these layers turned the remains into what we now call crude oil or petroleum The word petroleum means rock oil or oil from the earth
- Oil - Understand Energy Learning Hub
Oil (also referred to as petroleum) is the most-used energy resource in the world and provides more than 90% of global transportation energy About two-thirds of global oil use is for transportation
- What is Petroleum? The Fuel Behind Modern Life - petrosync. com
Discover what petroleum is, how it's formed, and why it remains a vital fuel source powering industries and daily modern life
- Petroleum - Chemistry Encyclopedia - reaction, water, uses, elements . . .
Petroleum is a naturally occurring complex mixture made up predominantly of carbon and hydrogen compounds, but also frequently containing significant amounts of nitrogen, sulfur, and oxygen together with smaller amounts of nickel, vanadium, and other elements
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