Across
- 4. Large area of trees that get a lot of rain
- 6. change A change in the weather over a long period
- 7. Cut down many trees in a forest
- 8. fuels A natural fuel like coal
- 10. To keep on living
- 12. Fire that burns large areas
- 13. No longer living
- 14. To use something again
- 15. To move upward
Down
- 1. Layer of air that surrounds our Earth
- 2. Something harmful to the environment
- 3. To ruin
- 5. At risk of becoming extinct
- 7. A long period of no rainfall or snow
- 9. To need or rely in
- 11. How hot or cold something is