question: What is the answer: George Washington Gale Ferris, Jr. invented what engineering marvel for the 1893 exposition in Chicago in the hopes of creating something as impressive as the Eiffel Tower?
answer: ferris wheel

question: What is the answer: Which explorer, in 1858, was the first European to disciver Lake Victoria?
answer: john speke

question: What is the answer: Released in 1981, 'Fire' was the first UK top 40 hit for which rock group?
answer: u2

question: What is the answer: What is the name for a Muslim house of prayer?
answer:
mosque