Daily Quiz #4545
What is one of the three most populous cities in Africa?
The Royal Proclamation of 1763 issued by King George III, and recognised still in the Canadian Constitution of 1982, transferred French territory in North America to Great Britain and also did what?
A famous opera by Rossini is about the barber of where?
The IAF formed in 1968 is the International Association for Falconry and …?
What mineral takes its name from the Greek word for "unquenchable" or "inextinguishable"?
What was the name of the step that ran under the bottom of the doors on early motor cars?
What, invented by William Harbutt of Bath, England in 1897, is composed of calcium salts (principally calcium carbonate), petroleum jelly, and long-chain aliphatic acids (principally stearic acid)?