Question

Answer 1

1 carefully

2 immediately

3 death

4 noisy

5 headache

6 aquatic

7 heavily

8 pollution

9 dead

10 dangerous

11 noisy

12 importance

13 natural

14 useful

15 attraction

Answer 2

1. carefully

2. immediately

3. death 

4. noisy

5. headache

6. aquatic

7. heavily

8. pollution

9. dead / dying

10. dangerous

11. noisy

12. importance

13. natural

14. useful

15. attraction

Answer 3

1. carefully

2. immediately

3. death

4. noisy

5. headache

6. aquatic

7. heavily

8. pollution

9. dead

10. dangerous

11. noisy

12. importance

13. natural

14. useful

15. attraction