Across
- 4. a mountain or hill with a break in the earth's crust that allows hot laval to escape from beneath the surface
- 7. desert in China
- 8. turning arable land into desert
- 10. caused by too much water on a slope and possibly removal of trees from a slope
- 12. changes in long-term weather patterns caused by humans and natural events
Down
- 1. where soils in South America get nutrients
- 2. continuously dry weather
- 3. a reason to live near a volcano (job)
- 5. average weather of an area over a long period of time
- 6. any naturally occurring change on Earth
- 9. massive waves triggered by earthquakes or landslides into water
- 11. violent shaking of the ground from movements in the Earth's crust