Inventions What type of system did Paul Nipkow, John Baird, and Charles Jenkins all invent? Early Warning Television Telephone Electricity Early Warning Television Telephone Electricity ANSWER DOWNLOAD EXAMIANS APP
Inventions What charge card, developed in 1950, was the first to be accepted nationally in the US? Discover Visa MasterCharge Diner's Club Discover Visa MasterCharge Diner's Club ANSWER DOWNLOAD EXAMIANS APP
Inventions What invention caused many deaths while testing it? Race cars Dynamite Parachute Ladders Race cars Dynamite Parachute Ladders ANSWER DOWNLOAD EXAMIANS APP
Inventions What African-American inventor received 5 patents in the field of shoemaking? Jan Ernst Matzeliger Ernest Just Elijah McCoy Lewis Latimer Jan Ernst Matzeliger Ernest Just Elijah McCoy Lewis Latimer ANSWER DOWNLOAD EXAMIANS APP
Inventions When was Milk Tray first introduced? 1923 1934 1915 1942 1923 1934 1915 1942 ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Gramophone? Thomas Alva Edison Michael Faraday Sir Alexander Graham Bell Fahrenheit Thomas Alva Edison Michael Faraday Sir Alexander Graham Bell Fahrenheit ANSWER DOWNLOAD EXAMIANS APP
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