Natural gas - Wikipedia
https://en.m.wikipedia.org/wiki/Natural_gas
WebNatural gas burning on a gas stove. Burning of natural gas coming out of the ground. Natural gas (also called fossil gas, methane gas or simply gas) is a naturally occurring mixture of gaseous hydrocarbons consisting primarily of methane in addition to various smaller amounts of other higher alkanes.Low levels of trace gases like carbon dioxide, nitrogen, hydrogen sulfide, and helium are also ...
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