Across
- 4. Soil, rocks and debris that move suddenly of slowly down a slope
- 5. An overflow of water that covers a usually dry area is caused by heavy rains that the soil cannot absord.
- 7. This scale is used to measure earthquakes
- 9. Strong winds accompanied by a storm.
- 10. Violent shaking of the Earth's surface caused by the movement of the tectonic plates.
Down
- 1. A process in wich substances combine chemically with oxygen from tge air provoking combustion or burning.
- 2. Destructive fires in forest and other areas covered by vegetation
- 3. A spill of petroleum into the surface of a large body of water caused by an accident of terrorist attempt.
- 6. The shortage of water for an excessive time.
- 8. A storm with strong winds and rain