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Coal - Wikipedia Coal is mostly carbon with variable amounts of other elements, chiefly hydrogen, sulfur, oxygen, and nitrogen [1] Coal is a type of fossil fuel, formed when dead plant matter decays into peat which is converted into coal by the heat and pressure of deep burial over millions of years [2]
Coal | Uses, Types, Pollution, Facts | Britannica Coal, one of the most important primary fossil fuels, a solid carbon-rich material, usually brown or black, that most often occurs in stratified sedimentary deposits, which may later be subjected to high temperatures and pressures during mountain building, resulting in the development of anthracite and even graphite
COAL中文 (简体)翻译:剑桥词典 - Cambridge Dictionary Wood and coal are both combustible substances The coal fire had discoloured the paintwork Many miners have suffered from the effects of coal dust in their lungs Wood, coal, oil, petrol and gas are all different kinds of fuel We ordered a hundredweight of coal
Coal explained - U. S. Energy Information Administration (EIA) Coal is a combustible black or brownish-black sedimentary rock with a high amount of carbon and hydrocarbons Coal is classified as a nonrenewable energy source because it takes millions of years to form
What is coal? | U. S. Geological Survey - USGS. gov Coal is a sedimentary deposit composed predominantly of carbon that is readily combustible Coal is black or brownish-black, and has a composition that (including inherent moisture) consists of more than 50 percent by weight and more than 70 percent by volume of carbonaceous material
Coal - Price - Chart - Historical Data - News Coal is the major fuel used for generating electricity worldwide The biggest producer and consumer of coal is China Other big producers include: United States, India, Australia, Indonesia, Russia, South Africa, Germany and Poland The biggest exporters of coal are: Indonesia, Australia, Russia, United States, Colombia, South Africa and
Coal | Properties, Formation, Occurrence and Uses Coal is a non-clastic sedimentary rock They are the fossilized remains of plants and are in flammable black and brownish-black tones Its main element is carbon
Coal - WorldAtlas Coal is a combustible black or brownish-black sedimentary rock formed from the remains of ancient plant matter It is primarily composed of carbon, along with hydrogen, sulfur, oxygen, and nitrogen
China Shuns Low-Grade Coal From Indonesia as Imports Collapse Indonesia bore the brunt of a sharp fall in China’s coal imports last month, underscoring how Chinese power plants have shifted away from lower-quality fuel due to persistent domestic oversupply
Coal - Minerals Education Coalition Coal is a very complex and diverse energy resource that can vary greatly, even within the same deposit In general, there are four basic varieties of coal, which are the result of geologic forces having altered plant material in different ways