Business / Agriculture / Methane: A gas created by anaerobic decomposition of organic compounds. Natural gas is composed mostly of methane. Methane is a so-called greenhouse gas (see greenhouse effect). Agricultural wastes, especially animal wastes, are a major source of methane releases to the atmosphere.
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Science / Chemistry / Dichloromethane: (CH2Cl2) Dichloromethane (CH2Cl2) is an organic solvent often use to extract organic substances from samples. It is toxic but much less so than chloroform or carbon tetrachloride, which were previousl MORE

Natural Gas

Science / Chemistry / Natural Gas: A mixture of methane and other gases, found trapped over petroleum deposits under the earth. MORE