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. Beulah Henry Marjorie Joyner Mae Jamison Bessie Blount Beulah Henry Marjorie Joyner Mae Jamison Bessie Blount ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Bakelite? Charles Goodyear Roy Plunkett Leo Hendrik Baekeland Henry Ford Charles Goodyear Roy Plunkett Leo Hendrik Baekeland Henry Ford 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 Robert Oppenheimer Vannevar Bush James B. Conant Leslie R. Groves Robert Oppenheimer Vannevar Bush James B. Conant ANSWER DOWNLOAD EXAMIANS APP
Inventions What invention is credited to the Russian born American inventor Vladimir Kosma Zworykin? Television Dishwasher Radio Telegraph Television Dishwasher Radio Telegraph ANSWER DOWNLOAD EXAMIANS APP
Inventions What groovy item was invented by Englishman Edward Craven Walker in 1963? Eight-track tape deck Lava lamp Hot comb Leisure suit Eight-track tape deck Lava lamp Hot comb Leisure suit ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the phonograph? Alexander Graham Bell Thomas Edison Jules Levy John Kruesi Alexander Graham Bell Thomas Edison Jules Levy John Kruesi ANSWER DOWNLOAD EXAMIANS APP
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