Across
- 3. The area where most ozone loss is taking place.
- 5. _____ in the lower atmosphere is a pollutant, but in the upper atmosphere protects life from ultraviolet radiation.
- 6. The ozone _____ in Earth's stratosphere helps protect us from the Sun's ultraviolet light.
- 8. A hydrocarbon created from the remains of formerly living organisms that can be used for energy.
- 9. A mixture of gases that surrounds a planet such as Earth.
- 10. Air _____ is a measure of pollutants in the air.
- 12. _____ radiation is a high energy radiation from the Sun that can be dangerous to Earth’s life.
- 13. _____ gases such as carbon dioxide and methane that absorb and hold heat from the sun’s infrared radiation in the atmosphere.
Down
- 1. Solid particles in the air, such as dust, salt, or ash.
- 2. The chief cause in ozone layer destruction.
- 4. _____ rain that has a pH less than 5 which can damage soil, water, limestone, marble, and living things such as trees and fish.
- 7. This type of smog is an air pollution results from a chemical reaction between pollutants in the presence of sunlight.
- 11. A situation in which warm air lies above cold air.