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6th Unit 04
Energy Resources and Transformations
| Term | Definition |
|---|---|
| Biomass | Material derived from living things. |
| Coal | A hard, black solid fuel formed from the remains of plants over millions of years and extracted form the ground; a nonrenewable fossil fuel. |
| Energy | The ability of a system to do work; required for changes to happen within a system. |
| Energy Recorces |