Across
- 2. Most abundant gas in the Earth's atmosphere. (8)
- 4. Where are the pages together known as a verso and a recto? (4)
- 5. Has the mitral, tricuspid, aortic and pulmonic valves. (5)
- 7. Reptiles detach their tails when in danger and regrow them. (7)
- 10. Henry VIIIs last wife. (9,4)
- 11. Hewlett Packard (HP) is originally known for? (8)
- 13. Element has the chemical symbol Mg. (9)
- 14. In Australia, what is a kylie? (9)
- 15. A Roman god in mythology known as the god of healing. (11)
Down
- 1. Directed the epic space opera film "Star Wars". (6,5)
- 3. Signed between the Allies and Germany ending WWI. (6,2,10)
- 6. Space probe that visited Pluto. (3,8)
- 8. Chemical symbol Hg. (7)
- 9. Chemical symbol He. (6)
- 12. Currency of India. (5)