Across
- 3. The usual weather in a place over many years.
- 7. A thick liquid from the ground used for fuel.
- 8. A large orange ape that lives in rainforests.
- 9. Dirty or harmful things in the environment.
- 10. bear A large white bear that lives in the Arctic.
- 12. A forest with a lot of rain and many trees.
- 15. How hot or cold something is.
- 18. To change to live better in a new situation.
- 19. A very large body of salt water.
- 20. A very dry place with little rain.
- 21. Frozen water.
Down
- 1. A desert animal with one or two humps.
- 2. Large areas covered with grass.
- 4. No longer existing; all are gone.
- 5. A bee that makes honey.
- 6. The Earth and all its people and places.
- 11. To stay alive.
- 13. A sea animal with flippers.
- 14. The hair on an animal's body.
- 16. At risk of disappearing forever.
- 17. The natural home of a plant or animal.