Across
- 1. filtration filters out water
- 4. paper
- 8. programming
- 9. Renaissance a time of rebirth of the arts and humanities
- 12. to make something
- 16. Ages the development of many technological devices
- 17. tell the heart beat
- 18. fake
- 20. Inc farming in the United States,
Down
- 2. education and entertainment
- 3. Age emphasis on the processing and exchange of information
- 5. Age use of iron and steel as the primary materials for tools
- 6. Age discovery of copper and copper-based metals
- 7. cell
- 10. exchange of conversion
- 11. water.
- 13. engineering modification of the characteristics of an organism
- 14. Revolution continuous manufacturing,
- 15. making
- 19. Age survival, hunting, and food preparation