Inventions What Benjamin Franklin invented? Hygrometer Barometer Bifocal spectacles Radio Hygrometer Barometer Bifocal spectacles Radio ANSWER DOWNLOAD EXAMIANS APP
Inventions What device for new parents did Ann Moore invent in 1969? Bottle warmer Infant carrier Disposable diaper Baby monitor Bottle warmer Infant carrier Disposable diaper Baby monitor ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the toothbrush invented? 1770 1790 1742 1765 1770 1790 1742 1765 ANSWER DOWNLOAD EXAMIANS APP
Inventions Who was the first American female to patent her invention, a method of weaving straw with silk? Marjorie Joyner Amanda Jones Margaret Knight Mary Kies Marjorie Joyner Amanda Jones Margaret Knight Mary Kies ANSWER DOWNLOAD EXAMIANS APP
Inventions FROZEN FOOD - Who discovered the first practical method of freezing food? F. Rozenosh C. Birdsey R. Scott G. Findus F. Rozenosh C. Birdsey R. Scott G. Findus ANSWER DOWNLOAD EXAMIANS APP
Inventions Who synthesized the first wholly artificial gene? Benjamin Franklin Hargobind Khorana J.J. Thompson Meghnad Saha Benjamin Franklin Hargobind Khorana J.J. Thompson Meghnad Saha ANSWER DOWNLOAD EXAMIANS APP
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