Inventions When were blue jeans invented? 1900s 1870s 1860s 1850s 1900s 1870s 1860s 1850s ANSWER DOWNLOAD EXAMIANS APP
Inventions What Enrico Fermi invented? Cyclotron X ray machine Nuclear reactor Betatron Cyclotron X ray machine Nuclear reactor Betatron ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Gunpowder? G. Ferdinand Von Zeppelin Sir Frank Whittle Leo H Baekeland Roger Bacon G. Ferdinand Von Zeppelin Sir Frank Whittle Leo H Baekeland Roger Bacon ANSWER DOWNLOAD EXAMIANS APP
Inventions What Elisha Otis invented? Turbine Hydraulic Crane The brake used in modern elevators Jet Engine Turbine Hydraulic Crane The brake used in modern elevators Jet Engine ANSWER DOWNLOAD EXAMIANS APP
Inventions What invention was first installed at a Hartford, Connecticut bank in 1889? Automatic teller machine Burglar alarm Time-lock safe Pay telephone Automatic teller machine Burglar alarm Time-lock safe Pay telephone ANSWER DOWNLOAD EXAMIANS APP
Inventions What African-American inventor received 5 patents in the field of shoemaking? Lewis Latimer Elijah McCoy Jan Ernst Matzeliger Ernest Just Lewis Latimer Elijah McCoy Jan Ernst Matzeliger Ernest Just ANSWER DOWNLOAD EXAMIANS APP
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