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