Inventions Who invented Bifocal Lens? Benjamin Franklin Thomas Alva Edison Rudolf Diesel Alfred B. Nobel Benjamin Franklin Thomas Alva Edison Rudolf Diesel Alfred B. Nobel ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the first lawn mower invented? 1835 1830 1854 1849 1835 1830 1854 1849 ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the first solid state integrated circuit demonstrated? 1970s 1950s 1960s 1980s 1970s 1950s 1960s 1980s ANSWER DOWNLOAD EXAMIANS APP
Inventions What Enrico Fermi invented? Cyclotron Nuclear reactor Betatron X ray machine Cyclotron Nuclear reactor Betatron X ray machine ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the game Frisbee invented? 1890s 1870s 1920s 1900s 1890s 1870s 1920s 1900s ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the battery? Alessandro Volta Thomas Edison John Wilkinson James Hargreaves Alessandro Volta Thomas Edison John Wilkinson James Hargreaves ANSWER DOWNLOAD EXAMIANS APP
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