Inventions When was the toothbrush invented? 1742 1790 1770 1765 1742 1790 1770 1765 ANSWER DOWNLOAD EXAMIANS APP
Inventions What Sir Isaac Newton invented? Spectacles Chronometer Microscope Reflecting telescope Spectacles Chronometer Microscope Reflecting telescope ANSWER DOWNLOAD EXAMIANS APP
Inventions Who developed the idea of Crop Rotation? Turnip Townsend Swede Svenson Potato Peterson Cabbage Carlson Turnip Townsend Swede Svenson Potato Peterson Cabbage Carlson ANSWER DOWNLOAD EXAMIANS APP
Inventions Who among the following invented the small pox vaccine? Robert Hooke Robert Koch Edward Jenner Louis Pasteur Robert Hooke Robert Koch Edward Jenner Louis Pasteur ANSWER DOWNLOAD EXAMIANS APP
Inventions What treat was invented by 11-year-old Frank Epperson in 1905? Banana split Cotton candy Cracker Jacks Popsicle Banana split Cotton candy Cracker Jacks Popsicle ANSWER DOWNLOAD EXAMIANS APP
Inventions Who was the first American female to patent her invention, a method of weaving straw with silk? Margaret Knight Amanda Jones Mary Kies Marjorie Joyner Margaret Knight Amanda Jones Mary Kies Marjorie Joyner ANSWER DOWNLOAD EXAMIANS APP