Inventions Which of the following was first patented by an Australian in 1889? Electric Heater Electric Drill Electric Shaver Electric Fence Electric Heater Electric Drill Electric Shaver Electric Fence ANSWER DOWNLOAD EXAMIANS APP
Inventions What charge card, developed in 1950, was the first to be accepted nationally in the US? Diner's Club Discover Visa MasterCharge Diner's Club Discover Visa MasterCharge ANSWER DOWNLOAD EXAMIANS APP
Inventions For what is Charles Babbage (1792-1871) remembered? Telescopes Computers Steam Boating Radio-Telegraphy Telescopes Computers Steam Boating Radio-Telegraphy ANSWER DOWNLOAD EXAMIANS APP
Inventions What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes? Joshua Rumble Hiram Walker Charles Richter Giuseppe Mercalli Joshua Rumble Hiram Walker Charles Richter Giuseppe Mercalli ANSWER DOWNLOAD EXAMIANS APP
Inventions What Karl Benz invented? Streetcar Gasoline powered automobile Glider Steam turbine Streetcar Gasoline powered automobile Glider Steam turbine ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Gunpowder? Sir Frank Whittle Roger Bacon G. Ferdinand Von Zeppelin Leo H Baekeland Sir Frank Whittle Roger Bacon G. Ferdinand Von Zeppelin Leo H Baekeland ANSWER DOWNLOAD EXAMIANS APP
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