Across
- 5. _______ curve: relationship of oxygen concentrations to the distance from a point source of decomposing sewage or other pollutants.
- 6. The process of burning waste materials to reduce volume and mass, and sometimes to generate electricity or heat.
- 9. Synthetic, carbon-based molecules that break down very slowly in the environment.
- 10. law that supports protection and propagation of fish, shellfish, and wildlife and recreation in and on the water (3 words)
- 12. A layer of fairly clear water found in the middle of a septic tank.
- 15. The process for obtaining fresh water by removing the salt from salt water.
- 17. source A diffuse area that produces pollution.
- 19. law that sets the national standards for safe drinking water (4 words)
- 21. residual nonorganic material that does not combust during incineration.
- 23. waste The waste produced by humans as discarded materials that is not in liquid or gas form and do not pose a toxic hazard to humans and other organisms.
- 24. _______ pollution: Occurs when humans cause a substantial change in the temperature of a water body.
- 25. _____ effect: environmental hazard that does not kill an organism but which may impair an organism’s behavior, physiology, or reproduction.
- 27. An infectious disease that has not been previously described or has not been common for at least 20 years.
- 29. a form of influenza occurring in poultry in Asia caused by a virus capable of spreading to humans (2 words)
- 34. ______ study: monitors people who might become exposed to an environmental hazard, such as a harmful chemical in the future.
- 39. selective absorption and concentration of a chemical within an organism over time.
- 40. ________ study: An experiment that exposes organisms to a hazard for a short duration.
- 41. A chemical that interferes with the normal development of embryos or fetuses.
- 43. A disease caused by a pathogen passed by a moquito that causes fetuses to be born with unusually small heads and damaged brains.
- 45. A barrier that runs across a river or stream to control the flow of water.
- 46. ______ study: monitors people who have been exposed to an environmental hazard such as a harmful chemical at some time in the past.
- 49. Any impaired function of the body with a characteristic set of symptoms.
- 50. The process by which materials destined to become municipal solid waste (MSW) are collected and converted into raw materials that are then used to produce new objects.
- 52. Solid waste material from wastewater.
- 54. law (CERCLA)that imposes a tax on the chemical and petroleum industries, funds the cleanup of abandoned and nonoperating hazardous waste sites, and authorizes the federal government to respond directly to the release or threatened release of substances that may pose a threat to human health or the environment.
- 58. An epidemic that occurs over a large geographic region, such as an entire continent.
- 61. ________ disruptor: chemical that interferes with the normal functioning of hormones in an animal’s body.
- 62. waste Liquid, solid, gaseous, or sludge waste material that is harmful to humans, ecosystems, or materials. (2 words)
- 64. The ability to experience relatively stable internal conditions in their bodies.
- 67. A process of desalination in which water is forced through a thin semipermeable membrane at high pressure (2 words)
- 68. How well a chemical dissolves in a liquid.
- 69. ____ analysis: looks at the materials used and released throughout the lifetime of a product
- 70. The water body created by damming a river or stream.
- 72. Structure built to prevent ocean waters from flooding adjacent land.
- 73. A coronavirus that causes the disease known as Middle Eastern Respiratory Syndrome.
- 75. chemical that causes allergic reactions.
- 77. increase in chemical concentration in animal tissues as the chemical moves up the food chain.
- 79. A chemical that disrupts the nervous systems of animals.
- 80. A group of microorganisms that live in the intestines of humans, other mammals, and birds that serve as an indicator species for potentially harmful microorganisms associated with contaminated sewage. (3 words)
- 81. contaminated industrial sites that require environmental cleanup
Down
- 1. A 2007 agreement among the nations of the European Union about regulation of chemicals; the acronym stands for registration, evaluation, authorization, and restriction of chemicals.
- 2. The length of time a chemical remains in the environment.
- 3. A relatively small and simple sewage treatment system, made up of a septic tank and a leach field, often used for homes in rural areas (2 words)
- 4. The water produced by livestock operations and human activities, including human sewage from toilets and gray water from bathing and washing of clothes and dishes.
- 7. A component of a septic system, made up of underground pipes laid out below the surface of the ground (2 words)
- 8. A small, beneficial protein that occasionally mutates into a pathogen.
- 11. A situation in which a pathogen causes a rapid increase in disease.
- 12. A 2001 agreement among 127 nations concerning 12 chemicals to be banned, phased out, or reduced (2 words)
- 13. source A distinct location from which pollution is directly produced.
- 14. An infectious disease with high death rates
- 16. The standard for safe drinking water established by the EPA under the Safe Drinking Water Act.
- 18. Excess nutrients from human activities that make their way into waterbodies; it causes nutrient pollution that alters food webs and harms water quality.
- 20. A virus that lives in hundreds of species of birds and is transmitted among birds by mosquitoes (3 words)
- 22. chemical that causes cancer.
- 26. A disease caused by a bacterium that is transmitted by ticks.
- 28. A disease in which prions mutate into deadly pathogens and slowly damage a cow’s nervous system.
- 30. A stair-like structure that allows migrating fish to get around a dam. (2 words)
- 31. Liquid that can contain elevated levels of pollutants as a result of having passed through the solid waste of a landfill.
- 32. An infection of the intestines that causes diarrhea, which results in dehydration and can cause death.
- 33. An engineered ground facility designed to hold municipal solid waste (MSW) with as little contamination of the surrounding environment as possible. (2 words)
- 35. _________ oxygen demand (BOD): amount of oxygen a quantity of water uses over time
- 36. A type of flu caused by a coronavirus.
- 37. The highest concentration of a chemical that causes no lethal or sublethal effects.
- 38. An infectious disease passed by a mosquito bite
- 42. A principle based on the belief that when a hazard is plausible but not yet certain, we should take actions to reduce or remove the hazard.
- 44. Using a product or material that would otherwise be discarded.
- 47. An infectious disease caused by a bacterium (Yersinia pestis) that is carried by fleas.
- 48. A highly contagious disease caused by a bacteria that primarily infects the lungs.
- 51. recycling a product into the same product (2 words)
- 53. _____ interaction: A situation in which two risks together cause more harm than expected based on the separate effects of each risk alone.
- 55. _______ recycling one product into a different product (2 words)
- 56. The flow of solid waste that is recycled, incinerated, placed in a solid waste landfill, or disposed of in another way (2 words)
- 57. The breakdown of organic materials into organic matter
- 59. ________ disease: slowly impairs the functioning of a person’s body.
- 60. disease in which there is a severe loss of the body's cellular immunity
- 63. A process of desalination in which water is boiled and the resulting steam is captured and condensed to yield pure water.
- 65. Solid waste collected by municipalities from households, small businesses, and institutions such as schools, prisons, municipal buildings, and hospitals.
- 66. A type of carcinogen that causes damage to the genetic material of a cell.
- 71. reduction An approach to waste management that seeks to cut waste by reducing the use of potential waste materials in the early stages of design and manufacture.
- 74. A group of industrial compounds compounds that were once used to manufacture plastics and insulate electrical transformers.
- 76. An enlarged bank built up on each side of a river.
- 78. _________ waste management: An approach to waste disposal that employs several waste reduction, management, and disposal strategies in order to reduce the environmental impact of MSW.
