Inventions In which decade was the first solid state integrated circuit demonstrated? 1960s 1980s 1970s 1950s 1960s 1980s 1970s 1950s ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the phonograph? Alexander Graham Bell Thomas Edison Jules Levy John Kruesi Alexander Graham Bell Thomas Edison Jules Levy John Kruesi ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the first controllable flying AEROPLANE (AIRPLANE)? Lidenbergh Brothers West Brothers South Brothers Wright Brothers Lidenbergh Brothers West Brothers South Brothers Wright Brothers ANSWER DOWNLOAD EXAMIANS APP
Inventions FROZEN FOOD - Who discovered the first practical method of freezing food? C. Birdsey G. Findus R. Scott F. Rozenosh C. Birdsey G. Findus R. Scott F. Rozenosh 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 Leslie R. Groves Robert Oppenheimer James B. Conant Vannevar Bush Leslie R. Groves Robert Oppenheimer James B. Conant ANSWER DOWNLOAD EXAMIANS APP
Inventions What Karl Benz invented? Glider Gasoline powered automobile Steam turbine Streetcar Glider Gasoline powered automobile Steam turbine Streetcar ANSWER DOWNLOAD EXAMIANS APP
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