Inventions When was the first Lionel trains manufactured? 1944 1890 1901 1920 1944 1890 1901 1920 ANSWER DOWNLOAD EXAMIANS APP
Inventions What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes? Giuseppe Mercalli Hiram Walker Joshua Rumble Charles Richter Giuseppe Mercalli Hiram Walker Joshua Rumble Charles Richter ANSWER DOWNLOAD EXAMIANS APP
Inventions Ralph Samuelson was only 18 when he invented this sporting item in 1922. What was that? Golf tee Motorboat Hang glider Water skis Golf tee Motorboat Hang glider Water skis ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the BALLPOINT PEN? Waterman Brothers Bicc Brothers Write Brothers Biro Brothers Waterman Brothers Bicc Brothers Write Brothers Biro Brothers ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the battery? John Wilkinson Alessandro Volta Thomas Edison James Hargreaves John Wilkinson Alessandro Volta Thomas Edison James Hargreaves ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the toothbrush invented? 1770 1742 1790 1765 1770 1742 1790 1765 ANSWER DOWNLOAD EXAMIANS APP