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