Inventions When was barb wire patented? 1900 1895 1840 1874 1900 1895 1840 1874 ANSWER DOWNLOAD EXAMIANS APP
Inventions FROZEN FOOD - Who discovered the first practical method of freezing food? C. Birdsey R. Scott G. Findus F. Rozenosh C. Birdsey R. Scott G. Findus F. Rozenosh ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the transistor invented? 1950s 1940s 1980s 1960s 1950s 1940s 1980s 1960s ANSWER DOWNLOAD EXAMIANS APP
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 invented Gunpowder? Roger Bacon G. Ferdinand Von Zeppelin Sir Frank Whittle Leo H Baekeland Roger Bacon G. Ferdinand Von Zeppelin Sir Frank Whittle Leo H Baekeland ANSWER DOWNLOAD EXAMIANS APP
Inventions Who was the first American female to patent her invention, a method of weaving straw with silk? Amanda Jones Margaret Knight Mary Kies Marjorie Joyner Amanda Jones Margaret Knight Mary Kies Marjorie Joyner ANSWER DOWNLOAD EXAMIANS APP
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