Across
- 3. where is the oldest living tree located
- 4. Which animal have 3 hearts
- 8. breath through their butts
- 9. Oldest profession in the world
- 10. World largest amphibian
- 12. Home video games developed first
- 13. how many countries competed in 2018 winter olympics
- 16. where is the world largest bridge located
- 17. male species give birth to young one
Down
- 1. Most earthquake country
- 2. Hardest natural substance
- 5. Youngest country in the world
- 6. where is the largest particle accelerator located
- 7. Capable to express over 100 vocal sounds
- 10. strongest natural material
- 11. First scientist awarded with two noble prizes
- 14. Hottest planet in our solar system
- 15. More islands than any other countries