Across
- 3. a signature
- 5. quality of being just
- 7. a class that of life and chemicals
- 9. a mythical creature with one horn
- 10. a polygon with three angles
- 11. not valid
- 12. an area where organisms live
- 15. the study of the brain
Down
- 1. a gift especially of money
- 2. an area where multiple streets connect
- 4. a vehicle that carries injured
- 6. opposite of division
- 8. to come to an agreement
- 13. study of life
- 14. A shape that is not curved