Inventions In which decade was the transistor invented? 1960s 1980s 1940s 1950s 1960s 1980s 1940s 1950s ANSWER DOWNLOAD EXAMIANS APP
Inventions What J. B. Dunlop invented? Rubber boot Model airplanes Automobile wheel rim Pneumatic rubber tire Rubber boot Model airplanes Automobile wheel rim Pneumatic rubber tire ANSWER DOWNLOAD EXAMIANS APP
Inventions When was Milk Tray first introduced? 1934 1915 1923 1942 1934 1915 1923 1942 ANSWER DOWNLOAD EXAMIANS APP
Inventions What Enrico Fermi invented? X ray machine Cyclotron Nuclear reactor Betatron X ray machine Cyclotron Nuclear reactor Betatron ANSWER DOWNLOAD EXAMIANS APP
Inventions What Frank Whittle invented? Sonar Ethyl gasoline Radar Jet propulsion Sonar Ethyl gasoline Radar Jet propulsion ANSWER DOWNLOAD EXAMIANS APP
Inventions Where was the yo-yo invented? England United States France Philippines England United States France Philippines ANSWER DOWNLOAD EXAMIANS APP
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