Across
- 3. a person who moves a lot to survive
- 4. the practice of growing plants
- 6. a human who hunts animals
- 7. a period of time that began 2.5 million years ago
- 8. a society with a highly developed culture
- 9. a period of time that began around 8000b.c.
Down
- 1. encouraging the growth of crops
- 2. old remains of living beings
- 4. a scientist who studies fossils
- 5. an object made by humans that very precious