music: 90's Chart Toppers: Name The Artist: Last Night?

Questions

What is the common name of the family of plants which includes potatoes, peppers and tomatoes?

What is the name given to a loaf of bread which is made from two round lumps with the smaller on the top?

What are the world's tallest trees?

In which year was the St Lawrence Seaway completed?

'What you lose on the swings..'?