it is an organic matter of plants which were decay and decompose after
their termination
First plants, then dead plant material, and finally lignite.
A diamond is not formed from coal. Diamond and coal are both allotropes of carbon, and are formed by different processes.
it is cheap and readily available, new technologies have been developed to burn coal more cleanly than ever before.
The fine coal dust is much more combustible than large lumps of coal. Large lumps of coal takes time for the flames to begin burning it efficiently - so heat takes longer to build up in the furnace.
Coal refining is nowhere near as complex as oil refining. Coal is washed with a water or chemical bath to remove some impurities. As much as 30 percent of the sulfur can be removed by washing. At the power plant, coal is pulverized to a heavy powder just before being burned. From http://www.ucsusa.org/clean_energy/coalvswind/brief_coal.html
Before electricity, Coal was used for heat. Coal heat was used to create steam for steam engines on railroads and ships in transportation.
Paperwork and signing an agreement is an important process before giving your truck to the coal site
First plants, then dead plant material, and finally lignite.
Katniss' father, Mr. Everdeen, was a coal miner.
Coal is very common in my area of Canada. It is estimated that Alberta has a layer of coal under 90% of the Provence.
A diamond is not formed from coal. Diamond and coal are both allotropes of carbon, and are formed by different processes.
Yup
Bituminous and subbituminous coals are user to make the pulverized coal for coal burners. This is coal containing the compound bitumen. It is a soft coal. They are graded according to their carbon content. They can be processed into coke before being pulverized.
Coal fossils formation begin about 60 million to 290 million years ago (before human existence) therefore no human fossils are found in coal.
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Coal.
Give the bear the coal before you give him the honey while saving Princess Bubblegum