1 OF 5
Science
Easy
What gas, produced by plants during photosynthesis, do most animals need to breathe?
YOU SURE?
2 OF 5
Food & Drink
Medium
Which spirit is the base of a classic Old Fashioned cocktail?
YOU SURE?
3 OF 5
Geography
Medium
Which major city sits on the Bosporus strait, straddling Europe and Asia?
YOU SURE?
4 OF 5
History
Hard
Which dynasty ruled China immediately before the Ming dynasty?
YOU SURE?
THE TAKE
Space
Hard
Which moon did NASA's Cassini probe observe ejecting plumes of water vapor and ice from its south pole?
YOU SURE?