Inventions In which decade was the transistor invented? 1960s 1950s 1940s 1980s 1960s 1950s 1940s 1980s ANSWER DOWNLOAD EXAMIANS APP
Inventions FROZEN FOOD - Who discovered the first practical method of freezing food? G. Findus C. Birdsey R. Scott F. Rozenosh G. Findus C. Birdsey R. Scott F. Rozenosh ANSWER DOWNLOAD EXAMIANS APP
Inventions What inspired reflecting road lights to be invented? 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 Car door reflecting mirrors The light a cat's eyes gave off on a fence 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? James B. Conant Robert Oppenheimer Leslie R. Groves Vannevar Bush James B. Conant Robert Oppenheimer Leslie R. Groves Vannevar Bush ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Bakelite? Leo Hendrik Baekeland Roy Plunkett Charles Goodyear Henry Ford Leo Hendrik Baekeland Roy Plunkett Charles Goodyear Henry Ford ANSWER DOWNLOAD EXAMIANS APP
Inventions This African-American woman physical therapist worked with soldiers disabled in World War II. She invented a device that helped the disabled to eat by delivering food through a tube to a mouthpiece. Bessie Blount Marjorie Joyner Beulah Henry Mae Jamison Bessie Blount Marjorie Joyner Beulah Henry Mae Jamison ANSWER DOWNLOAD EXAMIANS APP
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