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Coal Transformation
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Text z Príbehu
along with the pressure from the water and dirt, heat helped turn those dead plants into coal
over time the plants continued to get buried under the water and dirt
before the dinosaurs many large plants died and fell into swamps
coal can be extracted from the ground by surface mining of underground mining
coal is transported across the country on trains and barges
coal is used to generate electricity
coal is burned in a boiler to create steam which is eventually turned into fuel to generate electricity
environmental impacts: coal combustion contributes to acid rain and smog, these toxic substances can affect our health in negative ways
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