tv/ movies: 1992 - Lucille Ball - Starred In This Movie:?

Questions

What would you expect in a pluvial region?

In which English county is St Austell?

Who was the first negro boxer to be world heavyweight champion?

After sheltering from a storm near Cheddar Gorge, Augustus Toplady wrote which hymn?

Name of the book about the Watergate scandal written by Washington Post reporters Bernstein and Woodward?