Across
- 2. a measurement of the number of people per given unit of land
- 4. CBR-CDR=NIR
- 5. the ratio of men to women
- 6. the scientific study of population characteristics
- 10. CDR: the number of deaths yearly per 1,000 people in a population
- 13. the rapid growth of the world's human population during the past century
- 14. the amount of people an area can support
Down
- 1. description of locations on earth's surface where people live
- 3. TFR: the average number of children a woman has
- 7. too many people in one place for the resources available
- 8. CBR: the number of births yearly per 1,000 people in a population
- 9. NIR=CBR-CDR
- 11. the time it takes for an area's population to double
- 12. the rate at which people die
- 14. a complete enumeration of a population
