Inventions Who invented Gramophone? Michael Faraday Thomas Alva Edison Fahrenheit Sir Alexander Graham Bell Michael Faraday Thomas Alva Edison Fahrenheit Sir Alexander Graham Bell ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the transistor invented? 1940s 1950s 1980s 1960s 1940s 1950s 1980s 1960s ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the Internet first implemented? 1980s 1950s 1940s 1960s 1980s 1950s 1940s 1960s ANSWER DOWNLOAD EXAMIANS APP
Inventions This part-time race car driver invented the bucket seat in 1969. Who was he?? Steve McQueen Harrison Frazier John Wayne Paul Newman Steve McQueen Harrison Frazier John Wayne Paul Newman ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the toothbrush invented? 1770 1765 1790 1742 1770 1765 1790 1742 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? Vannevar Bush James B. Conant Leslie R. Groves Robert Oppenheimer Vannevar Bush James B. Conant Leslie R. Groves Robert Oppenheimer ANSWER DOWNLOAD EXAMIANS APP
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