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? Leslie R. Groves Robert Oppenheimer Vannevar Bush James B. Conant Leslie R. Groves Robert Oppenheimer Vannevar Bush James B. Conant ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the first elevator built? 1739 1785 1760 1743 1739 1785 1760 1743 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? John Christopher Baxter Jack Croxford Baker John Christopher Ballantyne Joseph Cyril Bamford John Christopher Baxter Jack Croxford Baker John Christopher Ballantyne Joseph Cyril Bamford ANSWER DOWNLOAD EXAMIANS APP
Inventions In which year was MIDI introduced? 1983 1987 1977 1973 1983 1987 1977 1973 ANSWER DOWNLOAD EXAMIANS APP
Inventions Who synthesized the first wholly artificial gene? Hargobind Khorana Benjamin Franklin J.J. Thompson Meghnad Saha Hargobind Khorana Benjamin Franklin J.J. Thompson Meghnad Saha ANSWER DOWNLOAD EXAMIANS APP
Inventions What invention caused many deaths while testing it? Ladders Parachute Race cars Dynamite Ladders Parachute Race cars Dynamite ANSWER DOWNLOAD EXAMIANS APP