11. POPULATION & NATURAL RESOURCES

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Across
  1. 5. Reprocessing of materials
  2. 6. Growth of cities
  3. 9. Meeting present needs without compromising future generations
  4. 11. Contamination of the environment
  5. 12. Resources that can be replenished
  6. 13. Birth rate in a population
  7. 14. Excessive population in an area
  8. 16. Development of industries
  9. 17. Community of living organisms
  10. 18. Limited availability of resources
  11. 19. Clearing of forests
Down
  1. 1. Protecting natural resources
  2. 2. Ability to maintain ecological balance
  3. 3. Maximum population an environment can sustain
  4. 4. Movement of people or animals
  5. 7. Resources that cannot be replenished
  6. 8. Variety of life in an area
  7. 10. Pollutants released into the air
  8. 15. Natural home of an organism
  9. 20. Cultivation of plants and animals