Misc: What's the hardest bone in the human body?

Questions

Which band reached number two in the charts in 1988 with the album The First of a Million Kisses?

With which country did Britain break off diplomatic relations in April 1984?

Who was named Chairman of the U.S. Federal Reserve Board by Ronald Reagan in 1987, a post he still (February '99) holds?

In food preparation, what term is used for the removal of peas from the pod, or the green calyx from strawberries?

With which country did Britain break off diplomatic relations in February 1991?