Inventions Who invented Gramophone? Fahrenheit Thomas Alva Edison Sir Alexander Graham Bell Michael Faraday Fahrenheit Thomas Alva Edison Sir Alexander Graham Bell Michael Faraday ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Dynamite? Sir Alexander Graham Bell Alfred B. Nobel Benjamin Franklin Thomas Alva Edison Sir Alexander Graham Bell Alfred B. Nobel Benjamin Franklin Thomas Alva Edison ANSWER DOWNLOAD EXAMIANS APP
Inventions What Karl Benz invented? Steam turbine Streetcar Glider Gasoline powered automobile Steam turbine Streetcar Glider Gasoline powered automobile 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? Leslie R. Groves James B. Conant Robert Oppenheimer Vannevar Bush Leslie R. Groves James B. Conant Robert Oppenheimer Vannevar Bush ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the transistor invented? 1960s 1940s 1980s 1950s 1960s 1940s 1980s 1950s ANSWER DOWNLOAD EXAMIANS APP
Inventions Which insurance salesman invented the fountain pen in 1884? Lewis Edson Waterman Charles Kettering Sir William Grove George Fountain Lewis Edson Waterman Charles Kettering Sir William Grove George Fountain ANSWER DOWNLOAD EXAMIANS APP