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