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? Vannevar Bush Leslie R. Groves James B. Conant Robert Oppenheimer Vannevar Bush Leslie R. Groves James B. Conant Robert Oppenheimer ANSWER DOWNLOAD EXAMIANS APP
Inventions Who came up with the idea for INSTANT MASHED POTATO? E. Asselbergs K. Edwards S. Tuberosum W. Raleigh E. Asselbergs K. Edwards S. Tuberosum W. Raleigh ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the first Lionel trains manufactured? 1901 1944 1890 1920 1901 1944 1890 1920 ANSWER DOWNLOAD EXAMIANS APP
Inventions What 'game' was first produced by the Southern Novelty Company in Baltimore, Maryland in 1892? Monopoly Frisbee Ouija board Ping Pong Monopoly Frisbee Ouija board Ping Pong ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Gramophone? Sir Alexander Graham Bell Thomas Alva Edison Fahrenheit Michael Faraday Sir Alexander Graham Bell Thomas Alva Edison Fahrenheit Michael Faraday ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the battery? James Hargreaves Alessandro Volta Thomas Edison John Wilkinson James Hargreaves Alessandro Volta Thomas Edison John Wilkinson ANSWER DOWNLOAD EXAMIANS APP
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