Inventions Who invented Gunpowder? G. Ferdinand Von Zeppelin Sir Frank Whittle Leo H Baekeland Roger Bacon G. Ferdinand Von Zeppelin Sir Frank Whittle Leo H Baekeland Roger Bacon ANSWER DOWNLOAD EXAMIANS APP
Inventions Until Victorian times, chocolate was thought of as a drink. When did the first chocolate bar appear? There is no sure date 1828 1831 1825 There is no sure date 1828 1831 1825 ANSWER DOWNLOAD EXAMIANS APP
Inventions What now-ubiquitous device was invented by Zenith engineer Eugene Polley in 1955? Calculator Remote control VCR Microwave oven Calculator Remote control VCR Microwave oven ANSWER DOWNLOAD EXAMIANS APP
Inventions What Benjamin Franklin invented? Radio Hygrometer Bifocal spectacles Barometer Radio Hygrometer Bifocal spectacles Barometer ANSWER DOWNLOAD EXAMIANS APP
Inventions This part-time race car driver invented the bucket seat in 1969. Who was he?? Harrison Frazier John Wayne Paul Newman Steve McQueen Harrison Frazier John Wayne Paul Newman Steve McQueen ANSWER DOWNLOAD EXAMIANS APP
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