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2 votes
2 votes
Define with a simple definition "What is coal"?

User Looney
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2 Answers

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17 votes

Answer:

Coal Is A Combustible Black Or Brownish Black Sedimentary Rock With A High Amount Of Carbon And Hydrocarbons. Coal is Classified As As A Nonrenewable Coal Energy Source Necause It Takes Millions Of Years To Form .Coal Contain The Energy Stored By Plant That Lives Hundreds Of Millions Of Year Ago In Swamphy Forests .

User Jorge Sampayo
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8 votes
8 votes
a sedimentary rock that can be burned for fuel
User Kingmaple
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