Across
- 5. (2 words, no space) Precipitation like rain, snow, fog, or mist, with a pH of less than 5.0 (which means it's highly acidic). (p563)
- 6. Chemicals applied to farm fields to control weeds, insects, and fungi. (p557)
- 9. Environmental factors that depend on population size (like disease and predators) are "density-_________ factors". (p553)
- 11. (2 words, no space) The amount of work produced compared to the aount of energy used. (p570)
- 13. The process of taking land used for mining, and returning it to its original shape and replanting vegetation. (p555)
- 14. (2 words, no space) Water pollution that originates from widespread areas (like a whole city). (p567)
- 15. (2 words, no space) The number of organisms that any given environment can support. (p552)
- 16. (2 words, no space) An extremely thin area of the ozone layer. (p562)
- 17. The material left after ore is extracted, which might release toxic elements into groundwater. (p555)
Down
- 1. The use of organisms to clean up or break down toxic waste. (p560)
- 2. "___________ growth" is a pattern of growth where a population grows faster as it increases in size. (p552)
- 3. (2 words, no space) This involves the global management of Earth's natural resources to meet current and future energy needs. (p572)
- 4. (2 words, no space) Water pollution that originates from a single point of origin, such as a sewage treatment plant or industrial site. (p567)
- 7. Environmental factors that do not depend on population size (like storms and fires) are "density-___________ factors". (p553)
- 8. The simultaneous (at the same time) production of two usable forms of energy. (p571)
- 10. The removal of trees from a forested area without replanting enough to replace it. (p556)
- 12. (2 words, no space) A yellow-brown haze that forms mainly from automobile exhaust in the presense of sunlight. (p561)