Inventions When was Milk Tray first introduced? 1934 1923 1915 1942 1934 1923 1915 1942 ANSWER DOWNLOAD EXAMIANS APP
Inventions What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes? Charles Richter Hiram Walker Joshua Rumble Giuseppe Mercalli Charles Richter Hiram Walker Joshua Rumble Giuseppe Mercalli ANSWER DOWNLOAD EXAMIANS APP
Inventions What charge card, developed in 1950, was the first to be accepted nationally in the US? MasterCharge Diner's Club Visa Discover MasterCharge Diner's Club Visa Discover ANSWER DOWNLOAD EXAMIANS APP
Inventions What plaything was invented by Joe McVicker in 1956? Silly Putty Play-Doh Lite-Brite Etch-A-Sketch Silly Putty Play-Doh Lite-Brite Etch-A-Sketch ANSWER DOWNLOAD EXAMIANS APP
Inventions Who was the first American female to patent her invention, a method of weaving straw with silk? Marjorie Joyner Amanda Jones Mary Kies Margaret Knight Marjorie Joyner Amanda Jones Mary Kies Margaret Knight ANSWER DOWNLOAD EXAMIANS APP
Inventions When were bar code scanners invented? 1960s 1940s 1970s 1950s 1960s 1940s 1970s 1950s ANSWER DOWNLOAD EXAMIANS APP
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