Inventions What Thomas Davenport invented? Screw propellor Sleeping (railway) car Electric streetcar Chesterfield Screw propellor Sleeping (railway) car Electric streetcar Chesterfield ANSWER DOWNLOAD EXAMIANS APP
Inventions Who came up with the idea for INSTANT MASHED POTATO? W. Raleigh E. Asselbergs K. Edwards S. Tuberosum W. Raleigh E. Asselbergs K. Edwards S. Tuberosum ANSWER DOWNLOAD EXAMIANS APP
Inventions Which scientist discovered the radioactive element radium? Albert Einstein Marie Curie Isaac Newton Benjamin Franklin Albert Einstein Marie Curie Isaac Newton Benjamin Franklin ANSWER DOWNLOAD EXAMIANS APP
Inventions For what does the world owe Almon Strowger a debt of gratitude? Automatic Telephone Exchanges Traffic Lights Parking Meters Vending Machines Automatic Telephone Exchanges Traffic Lights Parking Meters Vending Machines ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Gunpowder? Roger Bacon Sir Frank Whittle G. Ferdinand Von Zeppelin Leo H Baekeland Roger Bacon Sir Frank Whittle G. Ferdinand Von Zeppelin Leo H Baekeland ANSWER DOWNLOAD EXAMIANS APP
Inventions What J. B. Dunlop invented? Pneumatic rubber tire Rubber boot Automobile wheel rim Model airplanes Pneumatic rubber tire Rubber boot Automobile wheel rim Model airplanes ANSWER DOWNLOAD EXAMIANS APP
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