music: 80's Chart Toppers: Name The Artist: Her Town Too?

Questions

This underground cartoonist created Fritz the cat & Mr. Natural.?

This was the site of worse nuclear accident in history?

This word comes from a knight whose lance was free for hire, (i.e. Not pledged to one master).?

This word describes the nazi annihilation of Jews?

This word is used as the international radio distress call?