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Fossil Fuels
| Term | Definition |
|---|---|
| Sediments | is a naturally occurring material that is broken down by processes of weathering and erosion |
| oil | Thick, black, gooey liquid also called petroleum. It found is found way down in the ground between layers of rock |
| cementation | the binding together of particles or other things by cement. |
| fossil fuels | a natural fuel such as coal or gas, formed in the geological past from the remains of living organisms |
| natural gas | flammable gas, consisting largely of methane and other hydrocarbons, occurring naturally underground (often in association with petroleum) and used as fuel |
| compaction | an increase in the density of something |
| Coal | a combustible black or dark brown rock consisting mainly of carbonized plant matter, found mainly in underground deposits and widely used as fuel. |