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