Across
- 3. Community of organisms that work together
- 4. When the environment gains more nutrients leading to more plant and algae growth
- 8. Harmful substance in an environment
- 9. Killing to many animals
- 10. A resource that can be used for combustion
- 11. Molecles that contain carbon
- 13. Greenhouse gasses causing acidi precipitation
- 14. Growth
- 15. Materials
- 16. Things that absorb carbon emissions for example trees
- 17. Species that were introduced to environment
- 19. Gasses that are a leading role in atmospherical pollution
Down
- 1. Process of plants converting carbon dioxide and sunlight into glucose
- 2. support a process over time
- 5. Enhances growth
- 6. Taking more than the environment can restore
- 7. Species that natural habitat
- 12. Earths climate changing
- 14. Process of Humans cutting down trees
- 18. surrounding of organism