Alex's crossward puzzle

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Across
  1. 3. global in scope
  2. 6. invasion of parasites and their multiplication in the body
  3. 8. calculated by subtracting total number of deaths to total number of births
  4. 10. prevails over a small area
  5. 11. number of lives birth per year
  6. 13. deaths in a year per 1,000 people
  7. 16. doubling time was down 100 years dropping fast
  8. 17. extra time
  9. 18. in the next 50 years no more population
  10. 19. measure of total population relative to land size
Down
  1. 1. relationship between number people over 65 and working population 15-64
  2. 2. infectious disease spread by mosquitoes carry a parasite in their saliva
  3. 4. if a population can replace death with birth
  4. 5. every person in the country to be counted
  5. 7. spreads over a large region
  6. 9. acquired immune defeince
  7. 12. only allowed one child
  8. 14. refer to such huger urban agglomerations
  9. 15. population distribution with dots