Inventions What Benjamin Franklin invented? Radio Bifocal spectacles Barometer Hygrometer Radio Bifocal spectacles Barometer Hygrometer ANSWER DOWNLOAD EXAMIANS APP
Inventions Which scientist discovered the radioactive element radium? Marie Curie Benjamin Franklin Albert Einstein Isaac Newton Marie Curie Benjamin Franklin Albert Einstein Isaac Newton ANSWER DOWNLOAD EXAMIANS APP
Inventions What Enrico Fermi invented? Nuclear reactor X ray machine Betatron Cyclotron Nuclear reactor X ray machine Betatron Cyclotron ANSWER DOWNLOAD EXAMIANS APP
Inventions What 'game' was first produced by the Southern Novelty Company in Baltimore, Maryland in 1892? Ping Pong Ouija board Frisbee Monopoly Ping Pong Ouija board Frisbee Monopoly ANSWER DOWNLOAD EXAMIANS APP
Inventions What J. B. Dunlop invented? Rubber boot Pneumatic rubber tire Automobile wheel rim Model airplanes Rubber boot Pneumatic rubber tire Automobile wheel rim Model airplanes ANSWER DOWNLOAD EXAMIANS APP
Inventions What plaything was invented by Joe McVicker in 1956? Silly Putty Lite-Brite Play-Doh Etch-A-Sketch Silly Putty Lite-Brite Play-Doh Etch-A-Sketch ANSWER DOWNLOAD EXAMIANS APP
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