Inventions Who invented Gramophone? Michael Faraday Fahrenheit Sir Alexander Graham Bell Thomas Alva Edison Michael Faraday Fahrenheit Sir Alexander Graham Bell Thomas Alva Edison ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Jet Engine? Roger Bacon Sir Frank Whittle Gottlieb Daimler Lewis E. Waterman Roger Bacon Sir Frank Whittle Gottlieb Daimler Lewis E. Waterman ANSWER DOWNLOAD EXAMIANS APP
Inventions In which year was MIDI introduced? 1983 1987 1973 1977 1983 1987 1973 1977 ANSWER DOWNLOAD EXAMIANS APP
Inventions Who developed the idea of Crop Rotation? Potato Peterson Swede Svenson Turnip Townsend Cabbage Carlson Potato Peterson Swede Svenson Turnip Townsend Cabbage Carlson ANSWER DOWNLOAD EXAMIANS APP
Inventions Who was the first American female to patent her invention, a method of weaving straw with silk? Marjorie Joyner Amanda Jones Margaret Knight Mary Kies Marjorie Joyner Amanda Jones Margaret Knight Mary Kies 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? James B. Conant Leslie R. Groves Vannevar Bush Robert Oppenheimer James B. Conant Leslie R. Groves Vannevar Bush Robert Oppenheimer ANSWER DOWNLOAD EXAMIANS APP