(a) Anthracite coal. It is the hardest coal with a high carbon content and no volatile matter. It has the best heat value.
(b) Bituminous coal. This hard and compact coal with both moisture and volatile matter.
(c) Lignite coal is brown, has a woody appearance and high moisture content.
(d) Peat. It is a brownish and fibrous substance.
Faimus answered the question on April 19, 2018 at 13:41
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State the factors that have contributed to the declining usage of coal.
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April 19, 2018
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State the advantages of using petroleum as a source of energy
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April 19, 2018
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April 19, 2018
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Highlight the uses of petroleum as a source of energy.
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April 19, 2018
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April 19, 2018
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What are the disadvantages of using animals as a source of energy?
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State the advantages of using animals as a source of energy.
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April 19, 2018
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April 19, 2018
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April 19, 2018
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April 19, 2018
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April 19, 2018
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April 18, 2018
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April 18, 2018
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April 18, 2018
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April 18, 2018
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April 18, 2018
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April 18, 2018
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