Across
- 2. keeping places clean
- 3. the statistical study of human populations
- 6. lack of fair treatment
- 7. the ratio of the number of deaths that happen in a year
- 9. a measure that indicates the average number of children a women has
Down
- 1. the population of people who can read or write
- 3. something changing by growing
- 4. the ability to be maintained at a certain rate
- 5. being owned by another person and forced to work
- 8. a neighbourhood with very poor living conditions