Topic: Coal
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Answers to Common Questions
What is Coal?
Coal is a fossil fuel that is made by carbonized vegetable material. It is a black-brown sedimentary rock and is composed mainly of carbon. Read More »
Source: http://answers.ask.com/Society/Other/what_is_coal
How is Coal Processed?
Coal comes from the underground mines and it contains dirt and other impurities. Cleaning and grading the coal in different sizes and shapes and having it custom made is called processing. Read More »
Source: http://answers.ask.com/Food_and_Drinks/Food_and_Cooking/how_is_co...
What is Coal Used for Today?
Almost all the coal today is being used to generate electricity. A very little bit is used for exports, the rest is used for our basic energy source. Then there was light! Read More »
Source: http://answers.ask.com/Science/Other/what_is_coal_used_for_today
Featured Content:
Coal
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Coal is a combustible black or brownish-black sedimentary rock composed mostly of carbon and hydrocarbons. It is the most abundant fossil fuel produced in the United States.
The energy in coal comes from the energy stored by plants that lived hundreds of millions of years ago, when the Earth was partly covered…
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More Common Questions
Answers to Other Common Questions
Coal mining has been around for decades. There are 2 basic methods of mining, Surface, and deep underground. The choice depends on the depth and thickness of the coal seam. For more information see here: http://en.wikipedia.org/wiki/Coal_mi...
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Source: http://answers.ask.com/Science/Chemistry/how_is_coal_obtained
Every state and territory in Australia is mined for coal. They use it to generate electricity and to export. Australia exports 75 percent of the coal that is mined.
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Source: http://answers.ask.com/Science/Other/where_is_coal_found_in_austr...
Coal is mined in caves underground. There are many places all over the world where coal is mined. In African coal mines have been left alone long enough to form cherished diamonds.
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Source: http://answers.ask.com/Society/Government_and_Law/where_is_coal_l...
There are several different methods to extract coal from the earth. Among these, the most popular ones are, surface mining and underground mining. Surface mining is done when the coal is less than 180 feet beneath the surface, and undergrou...
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Source: http://answers.ask.com/Science/Chemistry/how_is_coal_extracted
Coal is a fossil fuel. Because it is combustable, when it is burned it creates heat energy, which can be in many different ways. One of its most common uses is producing electricity, by boiling water, which then spins turbines to create ele...
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Source: http://answers.ask.com/Science/Other/how_does_coal_work
Coal was made by pressure and loss of oxygen and hydrogen. Millions of years ago plants and animals died in swamps. The swamps kept them from decaying and that formed peat. Peat is compressed to form coal.
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Source: http://answers.ask.com/Science/Chemistry/how_was_coal_made
