Across
- 4. The study of natural processes and how humans affect them
- 7. In danger of becoming extinct
- 8. Song by Imagine Dragons and a type of pollution
- 10. A type of resource that doesn't replace within the time that it is used
- 11. Pollution destroys the whats systems?
- 13. management of resources
- 15. Vaccines and Anti-venom
- 18. 1st director of the national forest reserve
- 20. Is gone forever
- 22. Sun energy
- 24. Overuse of resources: the depletion of ___ materials
- 25. Impact of human life on Earth
- 26. The variety of life on earth
- 27. Made 1st National Wildlife Reserve
- 30. When the earth's temperature rises
- 31. Farming of any kind
- 32. Nice to look at
Down
- 1. Protection from danger
- 2. In danger of becoming endangered
- 3. Opposite of the Nile
- 4. Poaching
- 5. A type of resource that is replaced quickly
- 6. Manufactured products
- 7. Pollution disturbs the balance of what?
- 9. Gasses trap sun's energy
- 12. Nature writer
- 14. When organism numbers exceed carrying capacity
- 16. Keeps balance in nature
- 17. Silent Spring
- 19. Habitat destruction is due to excess _______ and forestry
- 21. Intro of _______ species
- 23. Sand County Almanac
- 28. Aka petroleum
- 29. Contaminants into the environment