Inventions What Frank Whittle invented? Ethyl gasoline Radar Sonar Jet propulsion Ethyl gasoline Radar Sonar Jet propulsion ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Bakelite? Roy Plunkett Charles Goodyear Leo Hendrik Baekeland Henry Ford Roy Plunkett Charles Goodyear Leo Hendrik Baekeland Henry Ford 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? Harmonium Clarinet Oboe Banjo Harmonium Clarinet Oboe Banjo ANSWER DOWNLOAD EXAMIANS APP
Inventions It travels over land and water. Who invented the HOVERCRAFT? T. Henman S. Sperrow C. Cockerell O. Stricheg T. Henman S. Sperrow C. Cockerell O. Stricheg ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Jet Engine? Gottlieb Daimler Lewis E. Waterman Roger Bacon Sir Frank Whittle Gottlieb Daimler Lewis E. Waterman Roger Bacon Sir Frank Whittle ANSWER DOWNLOAD EXAMIANS APP
Inventions When were bar code scanners invented? 1940s 1950s 1960s 1970s 1940s 1950s 1960s 1970s ANSWER DOWNLOAD EXAMIANS APP
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