Inventions Who invented Jet Engine? Gottlieb Daimler Roger Bacon Sir Frank Whittle Lewis E. Waterman Gottlieb Daimler Roger Bacon Sir Frank Whittle Lewis E. Waterman ANSWER DOWNLOAD EXAMIANS APP
Inventions When were bar code scanners invented? 1950s 1940s 1970s 1960s 1950s 1940s 1970s 1960s ANSWER DOWNLOAD EXAMIANS APP
Inventions Which of the following was first patented by an Australian in 1889? Electric Fence Electric Drill Electric Shaver Electric Heater Electric Fence Electric Drill Electric Shaver Electric Heater ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the game Frisbee invented? 1900s 1890s 1870s 1920s 1900s 1890s 1870s 1920s ANSWER DOWNLOAD EXAMIANS APP
Inventions What type of system did Paul Nipkow, John Baird, and Charles Jenkins all invent? Early Warning Television Electricity Telephone Early Warning Television Electricity Telephone ANSWER DOWNLOAD EXAMIANS APP
Inventions Benjamin Franklin was a prolific inventor. He invented the lightning rod, the Franklin stove, studied electricity, discovered the Gulf Stream, started the first library, and on and on. Among his many other inventions, what musical instrument did he invent? Banjo Harmonium Clarinet Oboe Banjo Harmonium Clarinet Oboe ANSWER DOWNLOAD EXAMIANS APP
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