| A | B |
|---|
| material formed from nonliving matter | mineral |
| place where rocks are dug from the earth | quarry |
| rock formed from high heat and pressure | gneiss |
| hardened parts of once living organism | fossil |
| no longer living on Earth | extinct |
| material burned to produce heat | fuel |
| fossil fuel formed from plants | coal |
| material used by living things | natural resource |
| rock with many useful minerals | sandstone |
