Inventions What J. B. Dunlop invented? Model airplanes Pneumatic rubber tire Rubber boot Automobile wheel rim Model airplanes Pneumatic rubber tire Rubber boot Automobile wheel rim ANSWER DOWNLOAD EXAMIANS APP
Inventions Who was the first American female to patent her invention, a method of weaving straw with silk? Margaret Knight Marjorie Joyner Mary Kies Amanda Jones Margaret Knight Marjorie Joyner Mary Kies Amanda Jones ANSWER DOWNLOAD EXAMIANS APP
Inventions What invention caused many deaths while testing it? Dynamite Race cars Parachute Ladders Dynamite Race cars Parachute Ladders ANSWER DOWNLOAD EXAMIANS APP
Inventions What James Watt invented? Rotary steam engine Hot air balloon Diving bell Steam boat Rotary steam engine Hot air balloon Diving bell Steam boat 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 Mae Jamison Marjorie Joyner Beulah Henry Bessie Blount Mae Jamison Marjorie Joyner Beulah Henry ANSWER DOWNLOAD EXAMIANS APP
Inventions What Enrico Fermi invented? X ray machine Betatron Nuclear reactor Cyclotron X ray machine Betatron Nuclear reactor Cyclotron ANSWER DOWNLOAD EXAMIANS APP
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