Which composer's works include the operas "La Bohème", "Tosca", and "Madama Butterfly", and the arias "O mio babbino caro", "Che gelida manina", and "Nessun dorma"?

Where is Baffin Island?: In Hudson Bay; Off the coast of Alaska; Between the Canadian mainland and Greenland

Despite playing a major role in setting it up and despite support for membership by Presidents Wilson, Harding, Coolidge, Hoover, and Roosevelt from 1920 when its predecessor was set up, the USA never joined it. What is it?

The Belt, the Three Kings, or the Three Sisters are part of which constellation?

In which of these places is tundra most likely to be found?: The Sahara; The Arctic; Australia; Panama Canal

What gas when condensed and frozen below 80 K (-193 degrees C) into a solid is a dark violet?

Study of fossil bones using isotopes of strontium, boron and nitrogen are likely to be looking for information about what?

Who beat Roger Federer in the men's Wimbledon final in 2008?

Who was the wine merchant in Bercy, Paris, France, who crafted a cognac which in 1869 earned the title of "Official Supplier to the Imperial Court" from Napoléon III?

Which of Rudyard Kipling's poems has the shortest title?

What are the principal components of brine?

The rafflesia, a parasitic plant which has no leaves or stems but the largest flower in the world, is native to which area?