Unit 9 Choice Board

6. a substance used for destroying insects or other organisms harmful to cultivated plants or to animals
7. the trapping of the sun's warmth in a planet's lower atmosphere, due to the greater transparency of the atmosphere to visible radiation from the sun than to infrared radiation emitted from the planet's surface
8. substances used to kill insects
9. the development of industries in a country or region on a wide scale
11. any of several organic compounds composed of carbon, fluorine, and chlorine
17. a substance that pollutes something, especially water or the atmosphere
18. the action or process of converting waste into reusable material
19. number or quantity of people or things that can be conveyed or held by a vehicle or container
20. the dying out or extermination of a species

1. the process during which a large expanse of habitat is transformed into a number of smaller patches of smaller total area isolated from each other by a matrix of habitats unlike the original
2. a gradual increase in the overall temperature of the earth's atmosphere generally attributed to the greenhouse effect caused by increased levels of carbon dioxide, chlorofluorocarbons, and other pollutants
3. the process of making an area more urban
4. a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet radiation
5. the purposeful clearing of forested land
10. a species of animal or plant that is seriously at risk of extinction
12. total amount of greenhouse gases that are generated by our actions
13. coal, petroleum, natural gas, oil shales, bitumens, tar sands, and heavy oils
14. organism or plant that is introduced into a new environment
15. the tidal mouth of a large river, where the tide meets the stream
16. sulfuric or nitric acid that fall to the ground from the atmosphere in wet or dry forms