Inventions Who invented Gunpowder? Roger Bacon Leo H Baekeland Sir Frank Whittle G. Ferdinand Von Zeppelin Roger Bacon Leo H Baekeland Sir Frank Whittle G. Ferdinand Von Zeppelin ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the BALLPOINT PEN? Biro Brothers Write Brothers Waterman Brothers Bicc Brothers Biro Brothers Write Brothers Waterman Brothers Bicc Brothers ANSWER DOWNLOAD EXAMIANS APP
Inventions In which year was MIDI introduced? 1977 1987 1973 1983 1977 1987 1973 1983 ANSWER DOWNLOAD EXAMIANS APP
Inventions This part-time race car driver invented the bucket seat in 1969. Who was he?? Paul Newman Steve McQueen Harrison Frazier John Wayne Paul Newman Steve McQueen Harrison Frazier John Wayne ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the phonograph? Thomas Edison Jules Levy John Kruesi Alexander Graham Bell Thomas Edison Jules Levy John Kruesi Alexander Graham Bell ANSWER DOWNLOAD EXAMIANS APP
Inventions What charge card, developed in 1950, was the first to be accepted nationally in the US? Diner's Club MasterCharge Visa Discover Diner's Club MasterCharge Visa Discover ANSWER DOWNLOAD EXAMIANS APP
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