Inventions When was the Raggedy Ann doll patented? 1919 1920 1915 1911 1919 1920 1915 1911 ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the telegraph invented? 1840s 1810s 1870s 1890s 1840s 1810s 1870s 1890s ANSWER DOWNLOAD EXAMIANS APP
Inventions The Manhattan Project was started by President Roosevelt in 1942 to ensure that the U.S. beat the Germans in developing a nuclear bomb. Whom did Roosevelt appoint as scientific head the Manhattan Project? Robert Oppenheimer James B. Conant Vannevar Bush Leslie R. Groves Robert Oppenheimer James B. Conant Vannevar Bush Leslie R. Groves ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the first controllable flying AEROPLANE (AIRPLANE)? South Brothers Wright Brothers Lidenbergh Brothers West Brothers South Brothers Wright Brothers Lidenbergh Brothers West Brothers ANSWER DOWNLOAD EXAMIANS APP
Inventions Who came up with the idea for INSTANT MASHED POTATO? K. Edwards W. Raleigh E. Asselbergs S. Tuberosum K. Edwards W. Raleigh E. Asselbergs S. Tuberosum ANSWER DOWNLOAD EXAMIANS APP
Inventions FROZEN FOOD - Who discovered the first practical method of freezing food? C. Birdsey R. Scott F. Rozenosh G. Findus C. Birdsey R. Scott F. Rozenosh G. Findus ANSWER DOWNLOAD EXAMIANS APP
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