music: 50's Chart Toppers: Name The Artist: Yes, Tonight, Josephine?

Questions

Leon Trotsky, the seminal Russian Communist, was assassinated in Mexico with an---------- .?

Leonardo da Vinci could write with one hand and ---------- with the other at the same time.?

Leonardo Da Vinci invented the---------- .?

Leonardo da Vinci spent ---------- years painting the Mona Lisa's lips.?

Less than ---------- of Nestle's sales are for chocolate. ?