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BookmarkCoal is a fossil fuel extracted from the ground by underground mining or open-pit mining (strip mining).
See also:
It is a readily combustible black or brownish-black sedimentary rock.
Often associated with the Industrial Revolution, coal remains an enormously important fuel and is the largest single source of electricity world-wide.
In the United States, for example, the burning of coal generates 50% of the electricity consumed..
For more information about the topic Coal, read the full article at Wikipedia.org, or see the following related articles:
Hydrocarbon — In chemistry, a hydrocarbon is any chemical compound that consists only of the elements carbon (C) and hydrogen (H). They all contain a carbon ... > read more
Fossil fuel — Fossil fuels are hydrocarbons, primarily coal, fuel oil or natural gas, formed from the remains of dead plants and animals. In common dialogue, the ... > read more
Note: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Coal at Wikipedia.org. See the Wikipedia copyright page for more details.
