music: 80's Chart Toppers: Name The Artist: The Longest Time?

Questions

what four-time national league batting champ was killed in a plane crash in 1972?

what city holds the warana festival every spring?

polyp, fish, worm, plant, crab, mollusk, and plankton in symbiotic relationship, make up what?

which position is not named in abbott and costello's 'who's on first' routine?

what english children's book character had a special love for marmalade?