Coal

Coal Explains the formation mining and uses of coal

Coal Coal is a combustible black or brownish black sedimentary rock usually occurring in rock strata in layers or veins called coal beds or coal seams.The harder forms, such as anthracite coal, can be regarded as metamorphic rock because of later exposure to elevated temperature and pressure.Coal is composed primarily of carbon, along with variable quantities of other elements, chiefly hydrogen Coal Facts, Uses, Types Britannica Coal 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 U.S Energy Information Administration EIA Coal Energy Information Administration EIA Official Energy Statistics from the U.S Government Coal Department of Energy Coal is the largest domestically produced source of energy in America and is used to generate a significant chunk of our nation s electricity. Coal Define Coal at Dictionary Coal definition, a black or dark brown combustible mineral substance consisting of carbonized vegetable matter, used as a fuel See . What is coal World Coal Association Coal is a fossil fuel and is the altered remains of prehistoric vegetation that originally accumulated in swamps and peat bogs The energy we get from coal today comes from the energy that plants absorbed from the sun millions of years ago.

  • Title: Coal
  • Author: Betsy Harvey Kraft
  • ISBN: 9780531003367
  • Page: 424
  • Format: Hardcover
  • Explains the formation, mining, and uses of coal.

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