Inventions What charge card, developed in 1950, was the first to be accepted nationally in the US? Discover Visa Diner's Club MasterCharge Discover Visa Diner's Club MasterCharge ANSWER DOWNLOAD EXAMIANS APP
Inventions What Enrico Fermi invented? Betatron Nuclear reactor X ray machine Cyclotron Betatron Nuclear reactor X ray machine Cyclotron ANSWER DOWNLOAD EXAMIANS APP
Inventions What furniture item was invented by California furniture designer Charles Prior Hall in 1968? Waterbed Sofa bed Captain's chair Hammock Waterbed Sofa bed Captain's chair Hammock ANSWER DOWNLOAD EXAMIANS APP
Inventions Which insurance salesman invented the fountain pen in 1884? Lewis Edson Waterman George Fountain Charles Kettering Sir William Grove Lewis Edson Waterman George Fountain Charles Kettering Sir William Grove ANSWER DOWNLOAD EXAMIANS APP
Inventions What device for new parents did Ann Moore invent in 1969? Disposable diaper Bottle warmer Infant carrier Baby monitor Disposable diaper Bottle warmer Infant carrier Baby monitor ANSWER DOWNLOAD EXAMIANS APP
Inventions It travels over land and water. Who invented the HOVERCRAFT? O. Stricheg C. Cockerell S. Sperrow T. Henman O. Stricheg C. Cockerell S. Sperrow T. Henman ANSWER DOWNLOAD EXAMIANS APP
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