Across
- 2. any gas in the atmosphere capable of absorbing infrared radiation reflected off Earth
- 3. the process of plants releasing oxygen and water vapor
- 5. the continuous pattern of weather over a long period of time
- 6. the release of water from clouds in the form of rain or snow
- 8. the process by which plants transform sunlight, water, and carbon dioxide into sugar
- 10. the thin layer of air surrounding Earth
- 11. the collection of water into a large body such as an ocen
- 14. the release of pollutants into the atmosphere by industrial plants
- 18. all living plants and animals make up this
- 22. energy sources requiring millions of years for living organisms to decay
- 25. the continuous movement of water through the Earth's systems
- 27. the gathering of water vapor into clouds
- 28. the continuous movement of carbon through the Earth's systems
Down
- 1. the clearing of trees and plant life for the purpose of raising livestock or other agriculture
- 4. the release of water by plants
- 7. the process of animals releasing carbon dioxide and water vapor
- 9. the oceans, inland bodies of water, and groundwater make up this
- 12. an element found in all living things
- 13. one member of a species
- 15. a gas comprised of one carbon and two oxygen atoms
- 16. this consists of the Earth's core, mantle, and crust
- 17. a geographic region containing various species living together
- 19. the change in water from the liquid to gas state
- 20. the flow of excess water down hills or across the ground
- 21. a group of the same organisms living in the same geographic region
- 23. the process of gases becoming trapped in the atmosphere causing warming
- 24. a community of organisms functioning as a unit in their environment
- 26. these are required in order to break down formerly living organisms