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