Across
- 1. study of diseases
- 3. inhabited portion of earth
- 4. receding degenerative diseases
- 5. working vs not working people
- 8. high growth
- 9. people per arable land
- 11. farmers per arable land
- 12. moderate growth
- 14. pestilence and famine
- 16. zero growth
Down
- 2. young vs old people
- 6. negative growth
- 7. reemergence of pandemics
- 10. receding pandemics
- 13. low growth
- 15. degenerative diseases