Across
- 3. originate from a single point of origin
- 6. a pattern of growth in which a population grows faster as it increases in size
- 10. affect all populations that they come in contact with, regardless of population size
- 11. the material left after ore is extracted
- 16. Environmental factors that depend on population size
- 17. an extremely thin area of the ozone layer over Antartica
Down
- 1. involves the global management of Earth's natural resources to meet current and future energy needs
- 2. The simultaneous production of two usable forms of energy
- 4. generate pollution from widespread areas
- 5. this is a yellow brown haze near densely populated areas that forms mainly from car exhaust in the presence of sunlight
- 7. Chemicals applied to farm fields to control weeds, insects, and fungi
- 8. the removal of trees from a forested area without adequate replanting
- 9. The amount of work produced compared to the amount of energy used
- 12. This forms when sulfur dioxide and nitrogen oxides combine with atmospheric moisture
- 13. the number of organisms that any given environment can support
- 14. is the use of organisms to clean up or break down toxic waste
- 15. the process of restoring land to it's original contours and replant vegetation