Across
- 2. ozone - formed from pollution that stays near the ground
- 5. warming - the increasing of Global temperatures
- 8. depletion - the loss of ozone in the upper atmosphere
- 9. air - affect the biosphere
- 12. effect- keep the earth warm enough to stabilize life
- 13. - toxins in an organism
- 14. - tiny pieces of material (dust , metal and unburned fuel )
Down
- 1. when the environment becomes enriched with nutrients
- 3. gases- gases like carbon dioxide , water vapor , and methane
- 4. undesirable material added to the air , water , or soil
- 6. ocean acidification - when the PH of the ocean becomes acidic CO2 uptake from the atmosphere
- 7. inversion - when a layer of warm air settles over a layer of cooler air that lies near the ground
- 10. rain- when pollutants in the water cycle react with water and oxygen
- 11. - fog caused by pollutants - -
- 15. species - a species whose presence , absence , or abundance in an ecosystem can signal a change in the environment