Inventions Who invented Electric Generator? Thomas Alva Edison Sir Alexander Graham Bell Michael Faraday Alfred B. Nobel Thomas Alva Edison Sir Alexander Graham Bell Michael Faraday Alfred B. Nobel ANSWER DOWNLOAD EXAMIANS APP
Inventions What African-American inventor received 5 patents in the field of shoemaking? Jan Ernst Matzeliger Lewis Latimer Ernest Just Elijah McCoy Jan Ernst Matzeliger Lewis Latimer Ernest Just Elijah McCoy ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Bakelite? Leo Hendrik Baekeland Roy Plunkett Henry Ford Charles Goodyear Leo Hendrik Baekeland Roy Plunkett Henry Ford Charles Goodyear ANSWER DOWNLOAD EXAMIANS APP
Inventions What device for new parents did Ann Moore invent in 1969? Disposable diaper Bottle warmer Baby monitor Infant carrier Disposable diaper Bottle warmer Baby monitor Infant carrier ANSWER DOWNLOAD EXAMIANS APP
Inventions Which scientist discovered the radioactive element radium? Isaac Newton Marie Curie Albert Einstein Benjamin Franklin Isaac Newton Marie Curie Albert Einstein Benjamin Franklin ANSWER DOWNLOAD EXAMIANS APP
Inventions What Thomas Davenport invented? Sleeping (railway) car Electric streetcar Screw propellor Chesterfield Sleeping (railway) car Electric streetcar Screw propellor Chesterfield ANSWER DOWNLOAD EXAMIANS APP
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