Inventions What Elisha Otis invented? The brake used in modern elevators Jet Engine Turbine Hydraulic Crane The brake used in modern elevators Jet Engine Turbine Hydraulic Crane ANSWER DOWNLOAD EXAMIANS APP
Inventions Who synthesized the first wholly artificial gene? J.J. Thompson Meghnad Saha Benjamin Franklin Hargobind Khorana J.J. Thompson Meghnad Saha Benjamin Franklin Hargobind Khorana ANSWER DOWNLOAD EXAMIANS APP
Inventions For what is Charles Babbage (1792-1871) remembered? Steam Boating Computers Telescopes Radio-Telegraphy Steam Boating Computers Telescopes Radio-Telegraphy ANSWER DOWNLOAD EXAMIANS APP
Inventions What toy was invented by Joshua Lionel Cowen around 1900? Electric train Yo-yo Tinkertoys Raggedy Ann doll Electric train Yo-yo Tinkertoys Raggedy Ann doll ANSWER DOWNLOAD EXAMIANS APP
Inventions CORN FLAKES - Who made them first? Nabisco Archers Quaker Kellogg Nabisco Archers Quaker Kellogg ANSWER DOWNLOAD EXAMIANS APP
Inventions Which insurance salesman invented the fountain pen in 1884? Sir William Grove Lewis Edson Waterman George Fountain Charles Kettering Sir William Grove Lewis Edson Waterman George Fountain Charles Kettering ANSWER DOWNLOAD EXAMIANS APP
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