coal (Q661)
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Coal is a combustible black or brownish-black sedimentary rock with a high amount of carbon and hydrocarbons. It is a non-renewable energy source and fossil fuel, and has four main types.
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | coal |
Coal is a combustible black or brownish-black sedimentary rock with a high amount of carbon and hydrocarbons. It is a non-renewable energy source and fossil fuel, and has four main types. |