Inventions In which decade were the first successful diode and triode vacuum tubes invented? 1880s 1900s 1890s 1800s 1880s 1900s 1890s 1800s ANSWER DOWNLOAD EXAMIANS APP
Inventions When were blue jeans invented? 1850s 1870s 1860s 1900s 1850s 1870s 1860s 1900s ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the Internet first implemented? 1980s 1950s 1960s 1940s 1980s 1950s 1960s 1940s ANSWER DOWNLOAD EXAMIANS APP
Inventions It travels over land and water. Who invented the HOVERCRAFT? S. Sperrow C. Cockerell T. Henman O. Stricheg S. Sperrow C. Cockerell T. Henman O. Stricheg ANSWER DOWNLOAD EXAMIANS APP
Inventions For what does the world owe Almon Strowger a debt of gratitude? Vending Machines Traffic Lights Automatic Telephone Exchanges Parking Meters Vending Machines Traffic Lights Automatic Telephone Exchanges Parking Meters ANSWER DOWNLOAD EXAMIANS APP
Inventions What James Watt invented? Steam boat Diving bell Rotary steam engine Hot air balloon Steam boat Diving bell Rotary steam engine Hot air balloon ANSWER DOWNLOAD EXAMIANS APP
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