Across
- 2. a mountain that releases hot gases from the earth
- 3. dry place covered in sand
- 5. not easy to do or understand
- 8. a living structure in the ocean
- 9. a type of animal or plant
- 12. a grassy plain in tropical and subtropical regions, with few trees.
- 13. Picture 5
- 15. Picture 1
- 16. Picture 4
Down
- 1. Picture 3
- 4. a forest in a tropical area that receives a lot of rain
- 6. something that most people like
- 7. Picture 2
- 10. an object that goes around the sun
- 11. Picture 6
- 14. to send something out quickly (from a volcano)