music: 80's Chart Toppers: Name The Artist: I Pledge My Love?

Questions

Against which disease was the salk vaccine developed?

Kelts,alevins and grilse are all forms of what?

What is obtained by placing a fodder crop in an airtight structure and letting it ferment?

What sort of writings would you associate with Raphael Holinshed?

Which English bowler took 9 wickets in an innings against south africa in 1994?