Inventions When was the game Frisbee invented? 1870s 1900s 1920s 1890s 1870s 1900s 1920s 1890s ANSWER DOWNLOAD EXAMIANS APP
Inventions What inspired reflecting road lights to be invented? The light a cat's eyes gave off on a fence The sun light on the windshield Car door reflecting mirrors Sun light on steel posts on road sides The light a cat's eyes gave off on a fence The sun light on the windshield Car door reflecting mirrors Sun light on steel posts on road sides ANSWER DOWNLOAD EXAMIANS APP
Inventions The Manhattan Project was started by President Roosevelt in 1942 to ensure that the U.S. beat the Germans in developing a nuclear bomb. Whom did Roosevelt appoint as scientific head the Manhattan Project? Robert Oppenheimer Leslie R. Groves James B. Conant Vannevar Bush Robert Oppenheimer Leslie R. Groves James B. Conant Vannevar Bush ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Bakelite? Roy Plunkett Charles Goodyear Leo Hendrik Baekeland Henry Ford Roy Plunkett Charles Goodyear Leo Hendrik Baekeland Henry Ford ANSWER DOWNLOAD EXAMIANS APP
Inventions Where is the village of Branston, after which the famous pickle is named? Yorkshire Staffordshire Lancashire Norfolk Yorkshire Staffordshire Lancashire Norfolk ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the transistor invented? 1980s 1950s 1940s 1960s 1980s 1950s 1940s 1960s ANSWER DOWNLOAD EXAMIANS APP