Inventions When was the toothbrush invented? 1765 1790 1770 1742 1765 1790 1770 1742 ANSWER DOWNLOAD EXAMIANS APP
Inventions Who synthesized the first wholly artificial gene? J.J. Thompson Meghnad Saha Hargobind Khorana Benjamin Franklin J.J. Thompson Meghnad Saha Hargobind Khorana Benjamin Franklin ANSWER DOWNLOAD EXAMIANS APP
Inventions What inspired reflecting road lights to be invented? Car door reflecting mirrors The light a cat's eyes gave off on a fence The sun light on the windshield Sun light on steel posts on road sides Car door reflecting mirrors The light a cat's eyes gave off on a fence The sun light on the windshield Sun light on steel posts on road sides ANSWER DOWNLOAD EXAMIANS APP
Inventions What now-ubiquitous device was invented by Zenith engineer Eugene Polley in 1955? VCR Remote control Calculator Microwave oven VCR Remote control Calculator Microwave oven ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the game Frisbee invented? 1920s 1870s 1890s 1900s 1920s 1870s 1890s 1900s ANSWER DOWNLOAD EXAMIANS APP
Inventions William Frederick is credited with the invention of the modern frisbee in the mid 1950's. In 1957 the Wham-O Company bought his idea and the rest is history. They named the toy after William Frisbie who was a ________? Owner of a pizza parlor Ceramic plate designer Pie maker Student at Yale Owner of a pizza parlor Ceramic plate designer Pie maker Student at Yale ANSWER DOWNLOAD EXAMIANS APP