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 Robert Oppenheimer Leslie R. Groves James B. Conant Vannevar Bush Robert Oppenheimer Leslie R. Groves James B. Conant ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the first lawn mower invented? 1830 1849 1854 1835 1830 1849 1854 1835 ANSWER DOWNLOAD EXAMIANS APP
Inventions In which year was MIDI introduced? 1987 1983 1973 1977 1987 1983 1973 1977 ANSWER DOWNLOAD EXAMIANS APP
Inventions What now-ubiquitous device was invented by Zenith engineer Eugene Polley in 1955? Remote control VCR Calculator Microwave oven Remote control VCR Calculator Microwave oven ANSWER DOWNLOAD EXAMIANS APP
Inventions This part-time race car driver invented the bucket seat in 1969. Who was he?? Paul Newman John Wayne Steve McQueen Harrison Frazier Paul Newman John Wayne Steve McQueen Harrison Frazier ANSWER DOWNLOAD EXAMIANS APP
Inventions Who developed the idea of Crop Rotation? Turnip Townsend Potato Peterson Swede Svenson Cabbage Carlson Turnip Townsend Potato Peterson Swede Svenson Cabbage Carlson ANSWER DOWNLOAD EXAMIANS APP