Which composer wrote the music for Rose Marie and The Vagabond King?
In what year was penicillin discovered?
1929 | 1911 | 1890 | 1904
Who discovered the planet Uranus?
What nationality was Antoine Becquerel, the scientist who discovered radioactivity?
Water is made up of oxygen and which other chemical element?
What is the chemical symbol for the element silver?
Which chemical element has the symbol Ni?
What is the heaviest lanthanide element?
