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Coal is a fossil fuel that is formed from organic . Millions of years ago vegetation that died and piled up in layers slowly, over time formed into peat. After many more years the pressure of sediment and other rock pressing down on the peat forced all moisture out thus leaving coal. Coal is a vital natural resource that can be used for heat and electric energy.How do fossils form? How do fossils contribute to the formation of coal?
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Fecha publicaci?n: 12.5.2016
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