Inventions What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes? Joshua Rumble Charles Richter Hiram Walker Giuseppe Mercalli Joshua Rumble Charles Richter Hiram Walker Giuseppe Mercalli ANSWER DOWNLOAD EXAMIANS APP
Inventions What toy was invented by Joshua Lionel Cowen around 1900? Raggedy Ann doll Yo-yo Electric train Tinkertoys Raggedy Ann doll Yo-yo Electric train Tinkertoys ANSWER DOWNLOAD EXAMIANS APP
Inventions Who came up with the idea for INSTANT MASHED POTATO? K. Edwards E. Asselbergs W. Raleigh S. Tuberosum K. Edwards E. Asselbergs W. Raleigh S. Tuberosum ANSWER DOWNLOAD EXAMIANS APP
Inventions What Elisha Otis invented? The brake used in modern elevators Turbine Jet Engine Hydraulic Crane The brake used in modern elevators Turbine Jet Engine Hydraulic Crane ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the game Frisbee invented? 1900s 1870s 1890s 1920s 1900s 1870s 1890s 1920s ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the transistor invented? 1950s 1980s 1960s 1940s 1950s 1980s 1960s 1940s ANSWER DOWNLOAD EXAMIANS APP
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