ES Extra Credit Crossword 4/23

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)

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)