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The top documents tagged [steps of coal]
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steps of coal
Fossil Fuel Management Activities 21 and 22. Fossil Fuels… … include coal, oil (from petroleum/crude oil), natural gas, tar sands, and oil shale. … formed.
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Fossil Fuels
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Fossil Fuels Overview Fascinating Fossil Fuels!. I. Fossil Fuels… A. Include coal, natural gas, tar sands, oil shale and petroleum. B.Formed over a period.
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Sustainability Ensuring the Ability to Live Sustainably on Earth!
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