Inventions Who invented the phonograph? Thomas Edison John Kruesi Alexander Graham Bell Jules Levy Thomas Edison John Kruesi Alexander Graham Bell Jules Levy ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the battery? James Hargreaves John Wilkinson Thomas Edison Alessandro Volta James Hargreaves John Wilkinson Thomas Edison Alessandro Volta ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Gunpowder? Roger Bacon Leo H Baekeland G. Ferdinand Von Zeppelin Sir Frank Whittle Roger Bacon Leo H Baekeland G. Ferdinand Von Zeppelin Sir Frank Whittle ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the AEEE (now the IEEE) founded? 1850s 1880s 1930s 1950s 1850s 1880s 1930s 1950s ANSWER DOWNLOAD EXAMIANS APP
Inventions What Enrico Fermi invented? X ray machine Nuclear reactor Cyclotron Betatron X ray machine Nuclear reactor Cyclotron Betatron ANSWER DOWNLOAD EXAMIANS APP
Inventions Ralph Samuelson was only 18 when he invented this sporting item in 1922. What was that? Golf tee Water skis Motorboat Hang glider Golf tee Water skis Motorboat Hang glider ANSWER DOWNLOAD EXAMIANS APP
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