| A | B |
|---|
| rock | a solid material madeup of one or more minerals. |
| ore | rock that is mine for its minerals. |
| mineral | a natural solid witha definite chemical makeup, found in Earth's crust. |
| soil | loose rock material that covers much of Earth's land. |
| nonrenewable resource | a resource that cannot be replaced. |
| solar energy | energy from the sun. |
| conservation | the wise use of natural resources. |
| renewable resource | a resource that can be replaced. |
| fossil fuels | ruels made form the remains of onece-living things. |
| natural resource | any useful material from Earth. |
