Across
- 2. the key element for having a plant
- 7. a person that collects things
- 8. a huge version of an elephant
- 10. a natural shelter for early people
- 13. the activity that finish the nomadism
- 14. the ocean on the east of Asia
- 15. a part of an animal used as a tool
- 16. the ocean between America and Africa
- 18. the material of a tree
Down
- 1. a natural element that helped people to warm spaces
- 3. the activity of breeding and taking care of an animal for a benefit
- 4. the natural cover of some animals
- 5. a person that constantly moves to survive
- 6. a hard nature element used by primitive people
- 9. a person that kills animals to survive
- 11. the smallest continent
- 12. the continent where we live
- 17. an element created by the man to do something