Who was penicilin discovered by?, by Alexander Fleming, by Alfred Novel, Alessandro Volta, What was discovered by Martin Cooper in 1973?, The car, The cellphone, The Electrons, Who were the credit cards invented by?, James Harrison, Frank MacNamara, Ray Tomlinson, What was invented by James Harrison in 1851?, The battery, The television, The refrigerator, Where was the Tv invented in 1957?, USA, Spain, Holland, What was discovered by James Watson in 1953?, The battery, The solar system, DNA, Who was the dinamite invented by?, James Watson, Alfred Novel, Clair Cameron, What was discovered by Clyde Tombaugh?, The fridge, Electrons, Pluto, When was the solar system discovered by Nicolaus Copernicus?, In 1600, In 1573, In 1543, When was the WWW invented by Tim Berners-Lee?, 1989, 1978, 1980
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