In tasks 21–25 answer the questions with one word. In brackets you have the number of letters that your answer must contain:

1. bottom – the lowest part or point of something;

2. to compete – to take part in a contest; to win something by defeating;

3. deep – far down from the point of surface;

4. extreme – can be also called “action sport”;

5. tsunami – high sea wave caused by an earthquake.