Across
- 3. effect, A warming of the earth due to a buildup of carbon dioxide and certain other gases
- 6. Hazy atmospheric conditions resulting from increased concentrations of ground level ozone and other pollutants
- 7. biphenyl, An industrial chemical used as insulator in electrical transformers and linked to certain human cancers; banned worldwide since 1977 but persistent in the environment
- 11. Chemicals used as spray-can propellants refrigerants and industrial solvents, implicated in the destruction of the ozone layer.
Down
- 1. layer, A layer of ozone molecules (O3) in the upper atmosphere that screens out UV rays from the sun
- 2. metal, A metal with a high specific gravity such as led , copper or tin
- 4. Health, The collective interactions of humans with the environment and the short-term and long-term health consequences of those interactions
- 5. fuels, Buried deposits of decayed animals and plants that are converted into carbon-rich fuels by exposure to hear and pressure
- 8. quality index, A measure of local air quality and what it means for health
- 9. warming, An increase in the earths atmospheric temperature when averaged across seasons and geographical regions
- 10. gas, A gas (such as carbon dioxide) or vapor that traps infrared radiation instead of allowing iy to escape through the atmosphere,warming the earth