Across
- 4. The action of research
- 8. An act of emission or discharge
- 10. A severe tropical storm
Down
- 1. Created by steam / humidity
- 2. The process of causing extreme damage
- 3. Produced by a volcano
- 5. The scale of heat shown by a thermometer
- 6. A natural electrical storm
- 7. A continuous widening curve around a central point
- 9. A project that a person or group has done