Inventions What type of system did Paul Nipkow, John Baird, and Charles Jenkins all invent? Early Warning Electricity Telephone Television Early Warning Electricity Telephone Television ANSWER DOWNLOAD EXAMIANS APP
Inventions What Enrico Fermi invented? Cyclotron X ray machine Betatron Nuclear reactor Cyclotron X ray machine Betatron Nuclear reactor ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the first controllable flying AEROPLANE (AIRPLANE)? West Brothers Lidenbergh Brothers South Brothers Wright Brothers West Brothers Lidenbergh Brothers South Brothers Wright Brothers ANSWER DOWNLOAD EXAMIANS APP
Inventions FROZEN FOOD - Who discovered the first practical method of freezing food? G. Findus C. Birdsey R. Scott F. Rozenosh G. Findus C. Birdsey R. Scott F. Rozenosh ANSWER DOWNLOAD EXAMIANS APP
Inventions Who was the first American female to patent her invention, a method of weaving straw with silk? Mary Kies Amanda Jones Margaret Knight Marjorie Joyner Mary Kies Amanda Jones Margaret Knight Marjorie Joyner ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the Raggedy Ann doll patented? 1911 1920 1919 1915 1911 1920 1919 1915 ANSWER DOWNLOAD EXAMIANS APP
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