question: What is the answer: How old was George Gershwin when he died?
answer: 38

question: What is the answer: Deriving ultimately from the Geek for 'knowledge, or study, of custom', what name is given to the study of animal behaviour?
answer: ethology

question: What is the answer: Who invented the first effective vaccine against polio, introduced in 1955?
answer: dr jonas salk

question: What is the answer: What is the common name for the northern hemisphere tree genus Betula, having catkins, winged nuts, and bark that peels in strips?
answer:
birch