Across
- 4. respectful with the environment
- 5. busy, full of people
- 7. costs a lot of money
- 8. secure, not dangerous
- 10. something or somebody that makes a lot of noise
- 11. a harmful substance for the environment
Down
- 1. easy to reach or to get into
- 2. most people have enough money to buy it
- 3. easy or very useful for a particular purpose
- 6. difficult to move because of a mental or physical condition
- 8. something that is done without much speed
- 9. at a great speed