Across
- 2. A layer of toxic gas
- 5. make or become longer
- 7. basic physical & organisational structure
- 10. an illness or condition
- 11. can change, not consistent
Down
- 1. an allergen carried in the air
- 3. something that is heavy or hard to handle
- 4. conditions to keeping health
- 6. being exposed to something
- 7. Extreme force, degree or strength
- 8. passed on from on place to another
- 9. More than necessary