Inventions What Benjamin Franklin invented? Barometer Radio Bifocal spectacles Hygrometer Barometer Radio Bifocal spectacles Hygrometer ANSWER DOWNLOAD EXAMIANS APP
Inventions FROZEN FOOD - Who discovered the first practical method of freezing food? F. Rozenosh G. Findus C. Birdsey R. Scott F. Rozenosh G. Findus C. Birdsey R. Scott ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the first elevator built? 1785 1760 1743 1739 1785 1760 1743 1739 ANSWER DOWNLOAD EXAMIANS APP
Inventions The initials JCB on earth-moving equipment are those of the founder of the company that makes it. What is his name? John Christopher Ballantyne Jack Croxford Baker Joseph Cyril Bamford John Christopher Baxter John Christopher Ballantyne Jack Croxford Baker Joseph Cyril Bamford John Christopher Baxter ANSWER DOWNLOAD EXAMIANS APP
Inventions What Enrico Fermi invented? Betatron Nuclear reactor Cyclotron X ray machine Betatron Nuclear reactor Cyclotron X ray machine 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
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