| 1. ozone |
Any area of land with specific natural features. |
| 2. atmosphere |
the
center part of the Earth. |
| 3. equator |
A specific area of the earth that falls between the core and the crust. |
| 4. rotation |
The specific gas that surrounds the earth. |
| 5. mantle |
The outer layer of the earth's surface. |
| 6. drought
(drouth) |
to
treat (waste products) for reuse or so as to recover reusable materials. |
| 7. core |
Large areas of salt water that surround much of the earth's surface. |
| 8. revolution |
A type of oxygen that is produced by electricity and is in the air, mostly after a thunderstorm. |
| 9. recycle |
The made up line around the earth that shows how far the North and South poles are. |
| 10. erosion |
The central like the earth revolves around. |
| 11. terrain |
A prolonged period of time without rainfall. |
| 12. axis |
The process of moving around a center or axis. |
| 13. crust |
The gradual process of being eroded by natural forces. |
| 14. ocean |
The act of rotating around a center or axis. |