Inventions Who was the first American female to patent her invention, a method of weaving straw with silk? Marjorie Joyner Amanda Jones Mary Kies Margaret Knight Marjorie Joyner Amanda Jones Mary Kies Margaret Knight ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Bakelite? Henry Ford Roy Plunkett Leo Hendrik Baekeland Charles Goodyear Henry Ford Roy Plunkett Leo Hendrik Baekeland Charles Goodyear ANSWER DOWNLOAD EXAMIANS APP
Inventions What item, originally called the 'Whirlwind', was invented by Ives McGaffey in 1869? Electric mixer Washing machine Blender Vacuum cleaner Electric mixer Washing machine Blender Vacuum cleaner ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the first controllable flying AEROPLANE (AIRPLANE)? South Brothers West Brothers Wright Brothers Lidenbergh Brothers South Brothers West Brothers Wright Brothers Lidenbergh Brothers ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Bifocal Lens? Rudolf Diesel Thomas Alva Edison Benjamin Franklin Alfred B. Nobel Rudolf Diesel Thomas Alva Edison Benjamin Franklin Alfred B. Nobel ANSWER DOWNLOAD EXAMIANS APP
Inventions Which scientist discovered the radioactive element radium? Isaac Newton Albert Einstein Marie Curie Benjamin Franklin Isaac Newton Albert Einstein Marie Curie Benjamin Franklin ANSWER DOWNLOAD EXAMIANS APP
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