[5] Natural gas is a fossil fuel that is formed when layers of organic matter (primarily marine microorganisms) [6] are thermally decomposed under oxygen-free conditions, subjected to intense …

Oct 10, 2024 · Natural gas also contains smaller amounts of natural gas liquids (NGLs, which are also hydrocarbon gas liquids), and nonhydrocarbon gases, such as carbon dioxide and water vapor. We …

Dec 8, 2025 · Natural gas, colorless highly flammable gaseous hydrocarbon consisting primarily of methane and ethane. It is a type of petroleum that commonly occurs in association with crude oil. It is …

It is a depletable, non-renewable resource composed primarily of methane gas (CH 4), with smaller amounts of natural gas liquids, carbon dioxide (CO 2), and water vapor. While natural gas is the …

The meaning of NATURAL GAS is gas issuing from the earth's crust through natural openings or bored wells; especially : a combustible mixture of methane and other hydrocarbons used chiefly as a fuel …

Oct 19, 2023 · Natural gas is a fossil fuel. Like other fossil fuels such as coal and oil, natural gas forms from the plants, animals, and microorganisms that lived millions of years ago. There are several …

As a strict definition, natural gas consists of hydrocarbons that remain in the gas phase (not condensable into liquids) at 20°C and atmospheric pressure, conditions considered to be standard …

Jun 16, 2025 · Natural gas is a naturally occurring fossil fuel, primarily composed of methane (CH4), a powerful greenhouse gas. It’s a highly efficient and versatile energy source used for heating, …

Dec 7, 2025 · Natural gas definition: a combustible mixture of gaseous hydrocarbons that accumulates in porous sedimentary rocks, especially those yielding petroleum, consisting usually of over 80 …

Unprocessed natural gas, also called raw natural gas, is one of the main primary energy sources in the world, making up roughly 1/5 of the world's primary energy.