Inventions What plaything was invented by Joe McVicker in 1956? Lite-Brite Silly Putty Etch-A-Sketch Play-Doh Lite-Brite Silly Putty Etch-A-Sketch Play-Doh ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Dynamite? Sir Alexander Graham Bell Alfred B. Nobel Benjamin Franklin Thomas Alva Edison Sir Alexander Graham Bell Alfred B. Nobel Benjamin Franklin Thomas Alva Edison ANSWER DOWNLOAD EXAMIANS APP
Inventions What Benjamin Franklin invented? Hygrometer Bifocal spectacles Radio Barometer Hygrometer Bifocal spectacles Radio Barometer ANSWER DOWNLOAD EXAMIANS APP
Inventions When were bar code scanners invented? 1940s 1960s 1970s 1950s 1940s 1960s 1970s 1950s ANSWER DOWNLOAD EXAMIANS APP
Inventions What Enrico Fermi invented? X ray machine Betatron Cyclotron Nuclear reactor X ray machine Betatron Cyclotron Nuclear reactor ANSWER DOWNLOAD EXAMIANS APP
Inventions When was Milk Tray first introduced? 1942 1915 1923 1934 1942 1915 1923 1934 ANSWER DOWNLOAD EXAMIANS APP
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