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 Bessie Blount Marjorie Joyner Mae Jamison Beulah Henry Bessie Blount Marjorie Joyner Mae Jamison ANSWER DOWNLOAD EXAMIANS APP
Inventions FROZEN FOOD - Who discovered the first practical method of freezing food? C. Birdsey F. Rozenosh G. Findus R. Scott C. Birdsey F. Rozenosh G. Findus R. Scott ANSWER DOWNLOAD EXAMIANS APP
Inventions The initials JCB on earth-moving equipment are those of the founder of the company that makes it. What is his name? John Christopher Ballantyne John Christopher Baxter Joseph Cyril Bamford Jack Croxford Baker John Christopher Ballantyne John Christopher Baxter Joseph Cyril Bamford Jack Croxford Baker ANSWER DOWNLOAD EXAMIANS APP
Inventions What Karl Benz invented? Streetcar Steam turbine Gasoline powered automobile Glider Streetcar Steam turbine Gasoline powered automobile Glider ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Bakelite? Henry Ford Leo Hendrik Baekeland Charles Goodyear Roy Plunkett Henry Ford Leo Hendrik Baekeland Charles Goodyear Roy Plunkett ANSWER DOWNLOAD EXAMIANS APP
Inventions What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes? Charles Richter Giuseppe Mercalli Hiram Walker Joshua Rumble Charles Richter Giuseppe Mercalli Hiram Walker Joshua Rumble ANSWER DOWNLOAD EXAMIANS APP
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