Inventions Who invented the first controllable flying AEROPLANE (AIRPLANE)? Wright Brothers Lidenbergh Brothers West Brothers South Brothers Wright Brothers Lidenbergh Brothers West Brothers South Brothers ANSWER DOWNLOAD EXAMIANS APP
Inventions Ralph Samuelson was only 18 when he invented this sporting item in 1922. What was that? Water skis Hang glider Golf tee Motorboat Water skis Hang glider Golf tee Motorboat ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the phonograph? John Kruesi Jules Levy Alexander Graham Bell Thomas Edison John Kruesi Jules Levy Alexander Graham Bell Thomas Edison ANSWER DOWNLOAD EXAMIANS APP
Inventions Which of the following was first patented by an Australian in 1889? Electric Drill Electric Fence Electric Heater Electric Shaver Electric Drill Electric Fence Electric Heater Electric Shaver ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the first lawn mower invented? 1835 1854 1830 1849 1835 1854 1830 1849 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? Robert Oppenheimer Vannevar Bush James B. Conant Leslie R. Groves Robert Oppenheimer Vannevar Bush James B. Conant Leslie R. Groves ANSWER DOWNLOAD EXAMIANS APP
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