Inventions Who invented Gramophone? Thomas Alva Edison Sir Alexander Graham Bell Michael Faraday Fahrenheit Thomas Alva Edison Sir Alexander Graham Bell Michael Faraday Fahrenheit ANSWER DOWNLOAD EXAMIANS APP
Inventions What furniture item was invented by California furniture designer Charles Prior Hall in 1968? Hammock Sofa bed Captain's chair Waterbed Hammock Sofa bed Captain's chair Waterbed 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? Leslie R. Groves James B. Conant Vannevar Bush Robert Oppenheimer Leslie R. Groves James B. Conant Vannevar Bush Robert Oppenheimer ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the first lawn mower invented? 1849 1830 1835 1854 1849 1830 1835 1854 ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade were the first successful diode and triode vacuum tubes invented? 1900s 1800s 1890s 1880s 1900s 1800s 1890s 1880s ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS