| A | B |
|---|
| Fossil fuel | A fuel made from the remains of ancient living things |
| Minerals | The building blocks of rocks |
| Igneous Rock | Melted rock that cools and hardens |
| Groundwater | Water stored in pore spaces and cracks in underground rock |
| Soil Profile | A vertical section of soil from the surface to the bedrock |
| Environment | Includes all the living and nonliving things in the area |
| Pollution | A harmful material that has been added to an environment |
| Fossil | The preserved evidence of a living thing from long ago |
| Metamorphic rocks | Rocks formed from other rocks by heat and pressure |
| Reservoir | A human-made lake that is used to hold fresh water |
| The overuse of fossil fuels | Acid rain and other forms of air pollution can be caused by this |
| Topsoil | Rich in humus and minerals and home to many living things |
| Soil | A renewable resource |
| Pollution | Overuse of fossil fuels leads to this. |
| Safe drinking water | A reservoir can supply this in an urban setting |
