Across
- 2. The least heavy of all.
- 5. The cutest animal in the zoo.
- 6. The opposite of "better."
- 9. The planet closest to the Sun.
- 11. The most spoken language
- 12. The most common flower in a gift.
- 14. The longest river in the world.
- 15. The smartest domesticated animal.
Down
- 1. The most populated country on Earth.
- 3. The most famous detective created by Arthur Conan Doyle.
- 4. The most popular fruit in the world.
- 7. The highest mountain in the world.
- 8. The fastest land animal.
- 10. The opposite of "older."
- 13. The biggest ocean on Earth.
