Across
- 3. to do one thing well
- 5. a item used to help a person with a task
- 7. the use of skills and tools to our needs
- 8. to move to a new place
- 10. human existence
- 12. farming
Down
- 1. the first part of the stone age
- 2. beginning of agriculture
- 4. before writing
- 6. an extra supply
- 9. a long period of time
- 11. people who move from place to place