Across
- 4. -the process of plate movement
- 9. - a sudden great misfortune
- 10. - a storm with strong winds and rain
Down
- 1. - something that covers or protects
- 2. - the whole mass of air surrounding the earth
- 3. - a strong board made of thin wood sheets
- 5. - a sudden disaster
- 6. - to lock together
- 7. - to reduce to ruin
- 8. - wild and dangerous force