Inventions What Benjamin Franklin invented? Barometer Hygrometer Radio Bifocal spectacles Barometer Hygrometer Radio Bifocal spectacles ANSWER DOWNLOAD EXAMIANS APP
Inventions Who is the English physicist responsible for the 'Big Bang Theory'? Roger Penrose George Gamow Michael Skube Albert Einstein Roger Penrose George Gamow Michael Skube Albert Einstein ANSWER DOWNLOAD EXAMIANS APP
Inventions Who was the first American female to patent her invention, a method of weaving straw with silk? Mary Kies Marjorie Joyner Amanda Jones Margaret Knight Mary Kies Marjorie Joyner Amanda Jones Margaret Knight ANSWER DOWNLOAD EXAMIANS APP
Inventions Which scientist discovered the radioactive element radium? Marie Curie Isaac Newton Albert Einstein Benjamin Franklin Marie Curie Isaac Newton Albert Einstein Benjamin Franklin ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the telegraph invented? 1840s 1890s 1810s 1870s 1840s 1890s 1810s 1870s ANSWER DOWNLOAD EXAMIANS APP
Inventions When were bar code scanners invented? 1960s 1950s 1970s 1940s 1960s 1950s 1970s 1940s ANSWER DOWNLOAD EXAMIANS APP
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