Inventions What J. B. Dunlop invented? Automobile wheel rim Pneumatic rubber tire Rubber boot Model airplanes Automobile wheel rim Pneumatic rubber tire Rubber boot Model airplanes ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Bifocal Lens? Thomas Alva Edison Benjamin Franklin Alfred B. Nobel Rudolf Diesel Thomas Alva Edison Benjamin Franklin Alfred B. Nobel Rudolf Diesel ANSWER DOWNLOAD EXAMIANS APP
Inventions It travels over land and water. Who invented the HOVERCRAFT? O. Stricheg T. Henman S. Sperrow C. Cockerell O. Stricheg T. Henman S. Sperrow C. Cockerell ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Jet Engine? Gottlieb Daimler Sir Frank Whittle Roger Bacon Lewis E. Waterman Gottlieb Daimler Sir Frank Whittle Roger Bacon Lewis E. Waterman ANSWER DOWNLOAD EXAMIANS APP
Inventions This African-American woman physical therapist worked with soldiers disabled in World War II. She invented a device that helped the disabled to eat by delivering food through a tube to a mouthpiece. Marjorie Joyner Bessie Blount Beulah Henry Mae Jamison Marjorie Joyner Bessie Blount Beulah Henry Mae Jamison ANSWER DOWNLOAD EXAMIANS APP
Inventions What Sir Isaac Newton invented? Spectacles Microscope Chronometer Reflecting telescope Spectacles Microscope Chronometer Reflecting telescope ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS