A colourless, odourless gas (chemical formula CH4). Some microbesproduce methaneA colourless, odourless gas (chemical formula CH4). Some microbesproduce methane. It can also be found in underground deposits. Methane is the main component of natural gas, which is is an important... More. It can also be found in underground deposits. Methane is the main component of natural gas, which is is an important energy source. Methane is a greenhouse gasA gas found in the earth's atmosphere that traps heat radiated from the surface of the earth, and causes the earth's temperature to rise. The term comes from the fact... More.

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