Inventions For what does the world owe Almon Strowger a debt of gratitude? Traffic Lights Automatic Telephone Exchanges Parking Meters Vending Machines Traffic Lights Automatic Telephone Exchanges Parking Meters Vending Machines 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? James B. Conant Leslie R. Groves Vannevar Bush Robert Oppenheimer James B. Conant Leslie R. Groves Vannevar Bush Robert Oppenheimer ANSWER DOWNLOAD EXAMIANS APP
Inventions What invention is credited to the Russian born American inventor Vladimir Kosma Zworykin? Telegraph Radio Dishwasher Television Telegraph Radio Dishwasher Television ANSWER DOWNLOAD EXAMIANS APP
Inventions When was Milk Tray first introduced? 1915 1942 1923 1934 1915 1942 1923 1934 ANSWER DOWNLOAD EXAMIANS APP
Inventions What groovy item was invented by Englishman Edward Craven Walker in 1963? Lava lamp Leisure suit Eight-track tape deck Hot comb Lava lamp Leisure suit Eight-track tape deck Hot comb ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Gramophone? Sir Alexander Graham Bell Fahrenheit Thomas Alva Edison Michael Faraday Sir Alexander Graham Bell Fahrenheit Thomas Alva Edison Michael Faraday ANSWER DOWNLOAD EXAMIANS APP
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