Inventions When was Milk Tray first introduced? 1915 1942 1923 1934 1915 1942 1923 1934 ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade were the first successful diode and triode vacuum tubes invented? 1880s 1900s 1800s 1890s 1880s 1900s 1800s 1890s ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Gramophone? Fahrenheit Michael Faraday Sir Alexander Graham Bell Thomas Alva Edison Fahrenheit Michael Faraday Sir Alexander Graham Bell Thomas Alva Edison ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the telegraph invented? 1810s 1890s 1840s 1870s 1810s 1890s 1840s 1870s ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the first lawn mower invented? 1849 1835 1830 1854 1849 1835 1830 1854 ANSWER DOWNLOAD EXAMIANS APP
Inventions What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes? Charles Richter Hiram Walker Giuseppe Mercalli Joshua Rumble Charles Richter Hiram Walker Giuseppe Mercalli Joshua Rumble ANSWER DOWNLOAD EXAMIANS APP
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