Inventions When was the toothbrush invented? 1765 1770 1790 1742 1765 1770 1790 1742 ANSWER DOWNLOAD EXAMIANS APP
Inventions For what is Charles Babbage (1792-1871) remembered? Steam Boating Radio-Telegraphy Computers Telescopes Steam Boating Radio-Telegraphy Computers Telescopes ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Jet Engine? Roger Bacon Gottlieb Daimler Sir Frank Whittle Lewis E. Waterman Roger Bacon Gottlieb Daimler Sir Frank Whittle Lewis E. Waterman ANSWER DOWNLOAD EXAMIANS APP
Inventions Which scientist discovered the radioactive element radium? Isaac Newton Albert Einstein Benjamin Franklin Marie Curie Isaac Newton Albert Einstein Benjamin Franklin Marie Curie ANSWER DOWNLOAD EXAMIANS APP
Inventions For what does the world owe Almon Strowger a debt of gratitude? Automatic Telephone Exchanges Vending Machines Traffic Lights Parking Meters Automatic Telephone Exchanges Vending Machines Traffic Lights Parking Meters ANSWER DOWNLOAD EXAMIANS APP
Inventions When was Milk Tray first introduced? 1923 1942 1934 1915 1923 1942 1934 1915 ANSWER DOWNLOAD EXAMIANS APP
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