[DOC] [TLE] J! Archive - Show #1984, aired 1993-04-01 [PAR] Anthracite, the highest grade of coal, is composed almost entirely of this element 
... Nearly all of the Earth's weather occurs in this layer of the atmosphere below... [DOC] [TLE] Coal - Energy Education [PAR] Coal. Figure 1. A lump of anthracite, the highest grade of coal. Coal is a rock ... It 
is primarily composed of carbon, with many other trace elements. ... are the most 
developed types of coal and are therefore almost entirely composed of carbon. [DOC] [TLE] coal - National Geographic Society [PAR] Dec 22, 2012 ... lignite, sub-bituminous, bituminous, anthracite, coke ... It is composed mostly of 
carbon and hydrocarbons, which contain energy that can be ... Coal is the largest 
source of energy for generating electricity in the world, and the most ..... chemical 
compound made entirely of the elements hydrogen and carbon. [DOC] [TLE] Coal - Wikipedia [PAR] Hilt's law is a geological term that states that, in a small area, the deeper the coal, 
the higher its rank (grade). The law holds true if the thermal gradient is entirely... [DOC] [TLE] How Coal Works | Union of Concerned Scientists [PAR] Acid rain, from sulfur emissions, is almost entirely due to coal burning. ... "ranks" 
of coal: lignite, subbituminous, bituminous, and anthracite, from lowest to highest. 
... Lignite is typically used only when higher grades of coal are not available or .... 
This ash and sludge consists of coal ash, limestone, and many pollutants, such... [DOC] [TLE] coal facts, information, pictures | Encyclopedia.com articles about coal [PAR] Anthracite: Hard coal; a form of coal with high heat content and a high ... Oxide: 
An inorganic compound whose only negative part is the element oxygen. .... 
Coke is nearly pure carbon produced when soft coal is heated in the absence of 
air. ..... In subbituminous and bituminous coal the bands are composed of vitrain (
shiny,... [DOC] [TLE] Coal liquifaction | Article about Coal liquifaction by The Free Dictionary [PAR] coal,. fuel substance of plant origin, largely or almost entirely composed of 
carbon ... (a high-grade bituminous coal), semianthracite (a low-grade anthracite)
, and .... Coals composed almost entirely of resistant tissue elements (plant 
remains... [DOC] [TLE] An Introduction to Coal Quality - USGS Publications Warehouse [PAR] Schweinfurth, S.P., 2009, An introduction to coal quality, in Pierce, B.S., and 
Dennen, K.O., eds., The National Coal ..... studies of 15 trace elements released 
by the burning of coal to ... yields may range from a low of about 3 percent to a 
high of .... are almost entirely domestic; B, Energy production in 1999; C, 
Electricity... [DOC] [TLE] How Is Coal Formed  A Process Spanning Eras | Plante nergies [PAR] Anthracite has the highest carbon content (See Infographic: "From Forests to 
Coal: A Slow ... It consists of almost pure carbon..., used in metallurgy. ... It is a 
low-grade fuel with a high moisture content that is used in industrial boilers. ... It 
has a carbon content of less than 60% and is composed entirely of volatile matter
. [DOC] [TLE] 1.1 Bituminous And Subbituminous Coal Combustion [PAR] and higher volatile matter than anthracite. ... Combustion in PC-fired units takes 
place almost entirely while the coal is ..... consists of a number of filtering 
elements (bags) along with a bag cleaning system contained in a main ... coal is 
not readily available or where a different grade of coal cannot be satisfactorily 
fired. [DOC] [TLE] Rock Types - Sandatlas [PAR] Rock types are specific assemblages of minerals (most rocks are composed of .... 
Granite is an igneous rock, but some high-grade metamorphic rocks are ... 
Hornblendite is an ultramafic plutonic igneous rock that is composed almost 
entirely of hornblende. ..... Anthracite is a type of coal with a highest rank. .... 
Potassium [DOC] [TLE] Coal - Old Earth Ministries [PAR] Coal is composed primarily of carbon along with

Question: Anthracite, the highest grade of coal, is composed almost entirely of this element
Answer: carbon