II. Choose the words given to fill in the blanks correctly.
symbolise Debris collapsed permanent
mudslide spectacles thermal radioactive
5. Linda wants to admire all the amazing ________round the world.
6 . The dam had almost ________ by the time the flood came.
7. Last week, twenty houses were swept away by the ______ .
8. ________was scattered across the river by the tornado this morning.
9. In the most serious case, noise pollution can cause _______ hearing loss. 6.
10. Some aquatic animals must change their habitats due to_______ pollution.
11. ________ endangers living creatures and environment.
12. The Big Ben in London was chosen to _____the United Kingdom.