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 Leslie R. Groves Vannevar Bush James B. Conant Robert Oppenheimer Leslie R. Groves Vannevar Bush James B. Conant ANSWER DOWNLOAD EXAMIANS APP
Inventions In which year was MIDI introduced? 1973 1977 1983 1987 1973 1977 1983 1987 ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Bakelite? Henry Ford Leo Hendrik Baekeland Charles Goodyear Roy Plunkett Henry Ford Leo Hendrik Baekeland Charles Goodyear Roy Plunkett ANSWER DOWNLOAD EXAMIANS APP
Inventions Who developed the idea of Crop Rotation? Potato Peterson Cabbage Carlson Swede Svenson Turnip Townsend Potato Peterson Cabbage Carlson Swede Svenson Turnip Townsend ANSWER DOWNLOAD EXAMIANS APP
Inventions The initials JCB on earth-moving equipment are those of the founder of the company that makes it. What is his name? Jack Croxford Baker John Christopher Ballantyne John Christopher Baxter Joseph Cyril Bamford Jack Croxford Baker John Christopher Ballantyne John Christopher Baxter Joseph Cyril Bamford ANSWER DOWNLOAD EXAMIANS APP
Inventions What toy was invented by Joshua Lionel Cowen around 1900? Electric train Raggedy Ann doll Yo-yo Tinkertoys Electric train Raggedy Ann doll Yo-yo Tinkertoys ANSWER DOWNLOAD EXAMIANS APP
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