
1) Alberta energy resource 2) Chinese invention 3) Cooking aid 4) Eco-friendly energy source 5) Oil alternative 6) Product of a chatterbox
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A mixture of methane and other gases, found trapped over petroleum deposits under the earth.
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http://antoine.frostburg.edu/chem/senese/101/glossary/n.shtml

Natural gas is a gaseous fossil fuel consisting primarily of methane but including significant quantities of ethane, propane, butane, and pentane
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A gaseous mixture of hydrocarbon compounds; usually found together with oil but the proportion of oil to gas varies from field to field....
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A gas mixture that occurs naturally in underground deposits. It is composed primarily of methane and may contain other hydrocarbons, carbon dioxide, and hydrogen sulfide. Commonly employed as a fuel for electricity generation, it is also used for space heating, industrial processes, and as a starting material for the manufacture of chemicals and ot...
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A mixture of hydrocarbon gases which occur naturally and are recovered for commercial use. LPG is extracted from natural gas because of its greater commercial value. Natural gas used for industrial applications is predominantly methane.
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colourless, highly flammable gaseous hydrocarbon consisting primarily of methane and ethane. It is a type of petroleum that commonly occurs in ... [110 related articles]
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http://www.britannica.com/eb/a-z/n/17

Gas, occurring naturally, often found in association with oil.
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http://www.chemicalglossary.net/definition/1190-Natural_Gas

A hydrocarbon gas obtained chiefly from underground sources, often in association with oil and coal deposits. Natural gas generally contains a high percentage of methane, other hydrocarbons such as ethane and propane, and other gases such as nitrogen, helium, carbon dioxide, hydrogen sulfide, and wa...
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http://www.daviddarling.info/encyclopedia/N/AE_natural_gas.html

A mixture of gaseous hydrocarbons occurring in reservoirs of porous rock (commonly sand or sandstone) capped by impervious strata. It is often associated with petroleum, with which it has a common origin in the decomposition of organic matter in sedimentary deposits. Natural gas consists largely of ...
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A hydrocarbon gas obtained from underground sources, often in association with petroleum and coal deposits. It generally contains a high percentage of methane, varying amounts of ethane, and inert gases; used as a heating fuel.
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http://www.electromn.com/glossary/n.htm

A mixture of low-molecular weight hydrocarbons obtained in petroleum bearing regions throughout the world. Natural gas consists of approximately 85% methane, 10% ethane and the balance propanes, butanes and nitrogen. since it is nearly odourless, an odorising agent is added to most natural gas prior to final sale
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Naturally occurring hydrocarbons that exist in subsurface rock units in the gaseous state. Methane i
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A mixture of gaseous hydrocarbons that occurs naturally in the earth.
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A mixture of hydrocarbons and varying quantities of nonhydrocarbons that exist either in the gaseous phase or in solution with crude oil in natural underground reservoirs.
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gas, occurring naturally, and often found in association with crude petroleum;
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Gas, occurring naturally, and often found in association with crude petroleum.
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http://www.oilandgasuk.co.uk/glossary.cfm

Hydrocarbon based gas, mainly composed of methane, commonly found in the pores of sedimentary rocks of marine origin.
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http://www.physicalgeography.net/physgeoglos/n.html

Natural gas is a naturally occurring gas consisting mainly of methane with smaller amounts of heavier hydrocarbons. It is widely used as a fuel and is obtained from underground reservoirs, often associated with oil deposits. It originates in the decomposition of animal matter.
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noun a fossil fuel in the gaseous state; used for cooking and heating homes
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Mixture of flammable gases found in the Earth's crust (often in association with petroleum). It is one of the world's three main fossil fuels (with coal and oil). Natural gas, a non-renewable resource, is formed from the remains of dead plants and animals. As these plants and animals died they were buried with mud near the sea floor. Ov...
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https://www.encyclo.co.uk/local/21221

A hydrocarbon gas obtained from underground sources, often in association with petroleum and coal deposits. It generally contains a high percentage of methane, varying amounts of ethane, and inert gases; used as a heating fuel.
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https://www.encyclo.co.uk/local/22819

A mixture of hydrocarbon gases that occurs with petroleum deposits, principally methane together with varying quantities of ethane, propane, butane, and other gases, and is used as a fuel and in the manufacture of organic compounds
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https://www.encyclo.co.uk/local/22828

A fossil fuel found deep in the earth. Natural gas is often found with oil.
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https://www.encyclo.co.uk/local/22830

a combustible mixture of gaseous hydrocarbons that accumulates in porous sedimentary rocks, esp. those yielding petroleum, consisting usually of over 80 percent methane together with minor amounts of ethane, propane, butane, nitrogen, and, sometimes, helium: used as a fuel and to make carbon black, acetylene, and synthesis gas.
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