Across
- 3. The largest areas of land on the earth
- 4. The surface layer of the earth on which vegetation grows.
- 6. The largest bodies of water on the earth.
- 8. The study of everything living on the earth.
Down
- 1. Dry area where very few plants grow.
- 2. An area with several things in common that set it apart from other areas of the world.
- 3. The weather pattern of a place over time.
- 5. Covers 70% of the earth's surface
- 7. Flat drawing of the earth
- 9. One of the earth's most valuable metals.