Across
- 2. Any substance or mixture of substances intended for preventing, destroying, repelling, or mitigating any pest
- 4. polymeric material that often does not break down easily
- 5. passage of one substance into or through another.
- 8. thin protective layer of gas 10 kilometers to 50 kilometers above the earth that acts as a filter for ultraviolet (UV) radiation from the sun.
- 9. gas that absorbs infrared radiation in the atmosphere. (2 words)
- 10. degree to which a substance or mixture of substances can harm humans or animals.
- 14. substance that evaporates readily.
- 16. colorless, non-poisonous, flammable gas created by microorganisms as they digest (anaerobic decomposition) organic compounds found in landfill wastes.
- 17. interacting system of a biological community and its non-living environmental surroundings.
- 20. substance or agent that may produce or increase the risk of cancer.
- 23. process by which salvaged materials become usable products.
- 25. gas made from burning fossil fuels and that traps infrared radiation (2 words)
Down
- 1. program operated under the legislative authority of CERCLA and SARA that funds and carries out EPA solid waste emergency and long-term removal and remedial activities.
- 3. effect on the planet's temperature that overall causes temperature increase, but also causes more severe weather events not just high temperature, but more rain, low temperatures etc. (2 words)
- 6. Human practices that do not result in the permanent damage, alteration or depletion of the environment, ecosystems, species or natural resources.
- 7. Includes air, water and land, and the relationship that exists between them and all living things, including plants, man and other animals.
- 11. material make of an atoms or mixture of atoms, but can be good or bad for the environment
- 12. land area that drains into a stream
- 13. treatment processes that use microorganisms to break down hazardous substances and pollutants.
- 15. common radioactive gas emitted from ordinary soils and rock.
- 18. air pollution device that uses a spray of water or reactant or a dry process to trap pollutants in emissions
- 19. heavy metal that is hazardous to health if breathed or swallowed.
- 21. fair treatment of people of all races, cultures, incomes, and educational levels with respect to the development and enforcement of environmental laws, regulations, and policies.(2words)
- 22. Actions taken which deal with a release or threat of a release of hazardous substances that could adversely affect public health and/or the environment.
- 24. substance that has a pH of less than 7 (7 = neutral) which can lower the pH value of water or soils to be harmful to growth of crops.