Inventions What Enrico Fermi invented? X ray machine Betatron Nuclear reactor Cyclotron X ray machine Betatron Nuclear reactor Cyclotron ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the first controllable flying AEROPLANE (AIRPLANE)? West Brothers South Brothers Wright Brothers Lidenbergh Brothers West Brothers South Brothers Wright Brothers Lidenbergh Brothers ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the game Frisbee invented? 1900s 1890s 1870s 1920s 1900s 1890s 1870s 1920s ANSWER DOWNLOAD EXAMIANS APP
Inventions Which of the following was first patented by an Australian in 1889? Electric Fence Electric Heater Electric Shaver Electric Drill Electric Fence Electric Heater Electric Shaver Electric Drill ANSWER DOWNLOAD EXAMIANS APP
Inventions What Thomas Davenport invented? Electric streetcar Sleeping (railway) car Chesterfield Screw propellor Electric streetcar Sleeping (railway) car Chesterfield Screw propellor ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the phonograph? Jules Levy Thomas Edison Alexander Graham Bell John Kruesi Jules Levy Thomas Edison Alexander Graham Bell John Kruesi ANSWER DOWNLOAD EXAMIANS APP