Inventions When was Milk Tray first introduced? 1923 1942 1915 1934 1923 1942 1915 1934 ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade were the first successful diode and triode vacuum tubes invented? 1900s 1880s 1800s 1890s 1900s 1880s 1800s 1890s ANSWER DOWNLOAD EXAMIANS APP
Inventions What furniture item was invented by California furniture designer Charles Prior Hall in 1968? Waterbed Hammock Captain's chair Sofa bed Waterbed Hammock Captain's chair Sofa bed ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Electric Generator? Alfred B. Nobel Thomas Alva Edison Michael Faraday Sir Alexander Graham Bell Alfred B. Nobel Thomas Alva Edison Michael Faraday Sir Alexander Graham Bell 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? Vannevar Bush Robert Oppenheimer James B. Conant Leslie R. Groves Vannevar Bush Robert Oppenheimer James B. Conant Leslie R. Groves ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the telegraph invented? 1890s 1810s 1870s 1840s 1890s 1810s 1870s 1840s ANSWER DOWNLOAD EXAMIANS APP
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