what is a group of this animal called: donkey?

Questions

Which UN Secretary-General was killed in an air crash in 1961?

Which group recorded the albums Regatta de Blanc and Ghost in the Machine?

What was the unit of work in the c.g.s. system, which was replaced by the Joule in the S.I. system?

Which poet described autumn as 'the season of mists and mellow fruitfulness'?

On which temperature scale does water freeze at 0 degrees and boil at 80 degrees?