Across
- 1. the place something lives
- 4. gasses that trap
- 6. all the rock on earth
- 7. all the water on earth
- 10. when fertile land becomes a desert
- 11. natural gasses
Down
- 2. all the air on earth
- 3. the Earth gets warmer
- 5. when you cut down a ton of trees
- 8. no more left of species
- 9. all the living things on earth