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en.wikipedia.org/wiki/Natural_gas

Natural gas is a naturally occurring hydrocarbon gas mixture consisting primarily of methane, .... Town gas is a flammable gaseous fuel made by the destructive distillation of coal. It contains a variety of calorific gases including hydrogen, carbon ...

www.ucsusa.org/clean-energy/coal-and-other-fossil-fuels/how-is-natural-gas-formed

This comprehensive overview explains the basics of how natural gas is formed and where it can be found in the United States and around the world.

www.alliantenergykids.com/EnergyBasics/AllAboutNaturalGas/000511

How Natural Gas Is Made. The natural gas that we use to heat our homes and our water comes from deep under the earth. The gas is found in layers of rock with ...

www.ems.psu.edu/~pisupati/ACSOutreach/Natural_Gas.html

Energy Use at a Glance: Text Box: Source: Energy Information Administration In 2006, the U.S. consumed about 22 trillion cubic feet of natural gas (21% of the ...

www.ct.gov/pura/cwp/view.asp?a=3363&q=414224

Abstract: One theory is that natural gas was formed millions of years ago when ... Another theory proposes that the earth is made up of primordial materials that ...

www.adventuresinenergy.org/What-are-Oil-and-Natural-Gas/How-Are-Oil-Natural-Gas-Formed.html

Even higher heat or biomass made predominantly of plant material produced natural gas. Stage 3 - After oil and natural gas were formed, they tended to migrate ...

www.madehow.com/Volume-6/Natural-Gas.html

Natural gas is a mixture of combustible gases formed underground by the decomposition of organic materials in plant and animal. It is usually found in areas ...

www.eia.gov/energyexplained/index.cfm/data/index.cfm?page=natural_gas_home

Nov 21, 2016 ... Natural gas occurs deep beneath the earth's surface. Natural gas consists mainly of methane, a compound with one carbon atom and four ...

www.nationalgeographic.org/encyclopedia/natural-gas

Jul 24, 2012 ... Methane, probably the most abundant organic compound on Earth, is made of carbon and hydrogen (CH4). Natural gas deposits are often ...

www.nwnatural.com/Safety/GasEducation/TheStoryOfNaturalGas

Natural gas is composed mostly of methane, but it also contains small amounts of ethane, propane, butane, and pentane. Methane, a combination of hydrogen ...