Across
- 4. People plants and ________all live on earth.
- 5. __________is surrounded by air.
- 6. Other areas have large lakes,________and streams.
- 7. We must care for the Earth and its ______resources.
- 9. People use ______to build homes.
- 10. Some areas have rich _______.
Down
- 1. __________ruin the land and put smoke in the air.
- 2. Some areas have oil and ______deep in the Earth.
- 3. ______can crack the land and move buildings.
- 8. Some areas of land have many_______.