Across
- 5. a long time period defined by specific social.
- 6. the mark of beginning of agriculture.
- 7. an extra amount of staff.
- 8. an object made to help people.
- 10. something you are good at.
- 11. farming animals and crops.
Down
- 1. to move to new place.
- 2. a time before writing.
- 3. the first part of the stone age.
- 4. people how move to find food.
- 9. the use of skills and tools to meat human needs.
