Inventions When were blue jeans invented? 1860s 1850s 1900s 1870s 1860s 1850s 1900s 1870s ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade were the first successful diode and triode vacuum tubes invented? 1880s 1890s 1900s 1800s 1880s 1890s 1900s 1800s ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Jet Engine? Roger Bacon Lewis E. Waterman Sir Frank Whittle Gottlieb Daimler Roger Bacon Lewis E. Waterman Sir Frank Whittle Gottlieb Daimler ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the first elevator built? 1785 1739 1743 1760 1785 1739 1743 1760 ANSWER DOWNLOAD EXAMIANS APP
Inventions Who developed the idea of Crop Rotation? Cabbage Carlson Swede Svenson Turnip Townsend Potato Peterson Cabbage Carlson Swede Svenson Turnip Townsend Potato Peterson ANSWER DOWNLOAD EXAMIANS APP
Inventions What Karl Benz invented? Glider Steam turbine Streetcar Gasoline powered automobile Glider Steam turbine Streetcar Gasoline powered automobile ANSWER DOWNLOAD EXAMIANS APP
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