Across
- 2. allows a fuel to burn by providing oxygen
- 3. powerful and dangerous form of energy due to radiation
- 6. violent release of energy
- 8. hazard threat to enviro
- 9. able to cause harm
Down
- 1. able to cause death
- 4. destroys living tissue
- 5. risk to human or enviro due to biological substance
- 7. catches fire easily