Across
- 1. gas surrounding the Earth
- 5. land on earth
- 6. living organisms
- 8. plants and animals
- 11. not man made
- 14. original sources of energy
- 15. not drinkable
Down
- 2. water
- 3. edible
- 4. destroying forests faster than they can regrow
- 7. naturally occurring, inorganic
- 9. will run out
- 10. water wind
- 12. oil gas
- 13. finite resource
- 14. wood, oxygen, habitats