Across
- 3. - the most popular pet in the world
- 5. - animal symbol of the USA
- 7. - most popular soccer team in the world
- 10. - gas that humans breath
Down
- 1. - capital of the USA
- 2. - the most popular food chain in the world
- 4. - the biggest feline in America
- 6. - first colour in the rainbow
- 8. the second most popular pet in the world
- 9. - the most populous city in the world (urban area)