Inventions Who invented the BALLPOINT PEN? Waterman Brothers Write Brothers Biro Brothers Bicc Brothers Waterman Brothers Write Brothers Biro Brothers Bicc Brothers ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the phonograph? Thomas Edison John Kruesi Alexander Graham Bell Jules Levy Thomas Edison John Kruesi Alexander Graham Bell Jules Levy ANSWER DOWNLOAD EXAMIANS APP
Inventions What Karl Benz invented? Streetcar Steam turbine Glider Gasoline powered automobile Streetcar Steam turbine Glider Gasoline powered automobile ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Bifocal Lens? Rudolf Diesel Benjamin Franklin Alfred B. Nobel Thomas Alva Edison Rudolf Diesel Benjamin Franklin Alfred B. Nobel Thomas Alva Edison ANSWER DOWNLOAD EXAMIANS APP
Inventions When were bar code scanners invented? 1940s 1960s 1970s 1950s 1940s 1960s 1970s 1950s 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 Robert Oppenheimer James B. Conant Leslie R. Groves Vannevar Bush Robert Oppenheimer James B. Conant Leslie R. Groves ANSWER DOWNLOAD EXAMIANS APP
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