Inventions When was the Raggedy Ann doll patented? 1919 1911 1920 1915 1919 1911 1920 1915 ANSWER DOWNLOAD EXAMIANS APP
Inventions What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes? Joshua Rumble Hiram Walker Charles Richter Giuseppe Mercalli Joshua Rumble Hiram Walker Charles Richter Giuseppe Mercalli ANSWER DOWNLOAD EXAMIANS APP
Inventions What Benjamin Franklin invented? Radio Barometer Hygrometer Bifocal spectacles Radio Barometer Hygrometer Bifocal spectacles ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Bifocal Lens? Benjamin Franklin Thomas Alva Edison Alfred B. Nobel Rudolf Diesel Benjamin Franklin Thomas Alva Edison Alfred B. Nobel Rudolf Diesel ANSWER DOWNLOAD EXAMIANS APP
Inventions FROZEN FOOD - Who discovered the first practical method of freezing food? G. Findus C. Birdsey F. Rozenosh R. Scott G. Findus C. Birdsey F. Rozenosh R. Scott ANSWER DOWNLOAD EXAMIANS APP
Inventions Who among the following invented the small pox vaccine? Robert Hooke Edward Jenner Robert Koch Louis Pasteur Robert Hooke Edward Jenner Robert Koch Louis Pasteur ANSWER DOWNLOAD EXAMIANS APP
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