How is coal formed in nature? Write two uses of coal tar.
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Coal is formed if dead plant matter decays into peat and over millions of years the heat and pressure of deep burial converts the peat into coal. ... As a fossil fuel burned for heat, coal supplies about a quarter of the world's primary energy and two-fifths of its electricity.
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Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams. ... Coal is formed when dead plant matter decays into peat and is converted into coal by the heat and pressure of deep burial over millions of years.
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