Across
- 3. assemblage of plant species and the ground cover they provide
- 5. to find and drive game toward hunters
- 6. rules that govern the emission of air pollutants
- 8. energy from naturally replenishable sources that don't run out
- 12. Serving or intended to regulate something
- 13. collect manurer and convert it into usable energy
- 15. move from one region to another
- 16. of indigenous origin or growth
- 17. maintain or support
Down
- 1. process of liquid turning into gas
- 2. dried out, exteremly thirsty
- 4. instensive grazing for extended periods of timecausingg damage to grassland
- 7. an animal that preys on others
- 9. the production and discharvegetationthing
- 10. Gasses in the earths atmosphere that trap heat
- 11. lack of rain for an extended period
- 14. relating to a particular society