Across
- 2. it is dangerous if you breathe it and it is used for cooking
- 5. it's a queue of cars
- 6. bus, train ...
- 8. it's good for the environment
- 10. used to make cars move
Down
- 1. it is very big and has many animals
- 3. in all cities there are many
- 4. when you throw it you generate it
- 7. In Madrid there is a lot, and the cars give off a lot too
- 9. It is used to walk but it is not a steel