QUESTION: answer this: who sings the song man of constant sorrow??

ANS: Emry Arthur

QUESTION: answer this: since when is puerto rico part of the us??

ANS: April 11, 1899

QUESTION: answer this: who discovered the atom is mostly empty space??

ANS: Geiger and Marsden

QUESTION: answer this: when did ben nevis win the grand national??

ANS:
1980