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 When was the first lawn mower invented? 1835 1854 1849 1830 1835 1854 1849 1830 ANSWER DOWNLOAD EXAMIANS APP
Inventions In which year was MIDI introduced? 1983 1977 1987 1973 1983 1977 1987 1973 ANSWER DOWNLOAD EXAMIANS APP
Inventions The initials JCB on earth-moving equipment are those of the founder of the company that makes it. What is his name? John Christopher Ballantyne Jack Croxford Baker Joseph Cyril Bamford John Christopher Baxter John Christopher Ballantyne Jack Croxford Baker Joseph Cyril Bamford John Christopher Baxter ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the first solid state integrated circuit demonstrated? 1980s 1970s 1960s 1950s 1980s 1970s 1960s 1950s ANSWER DOWNLOAD EXAMIANS APP
Inventions What James Watt invented? Rotary steam engine Steam boat Hot air balloon Diving bell Rotary steam engine Steam boat Hot air balloon Diving bell ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS