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Natural gas is found deep under the crust of earth either alone or alongwith oil above the petroleum deposits. Many oil wells produce natural gas as a by-product. There are however, some wells which produce only natural gas.

The combustible gas present in natural gas is methane.

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Natural gas is found deep under the crust of earth either alone or alongwith oil above the petroleum deposits. Many oil wells produce natural gas as a by-product. There are however, some wells which produce only natural gas.

The combustible gas present in natural gas is methane.