Inventions Who invented Electric Generator? Alfred B. Nobel Sir Alexander Graham Bell Michael Faraday Thomas Alva Edison Alfred B. Nobel Sir Alexander Graham Bell Michael Faraday Thomas Alva Edison ANSWER DOWNLOAD EXAMIANS APP
Inventions When were bar code scanners invented? 1960s 1950s 1940s 1970s 1960s 1950s 1940s 1970s ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the telegraph invented? 1840s 1890s 1870s 1810s 1840s 1890s 1870s 1810s ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the battery? Thomas Edison John Wilkinson James Hargreaves Alessandro Volta Thomas Edison John Wilkinson James Hargreaves Alessandro Volta ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the first elevator built? 1739 1785 1743 1760 1739 1785 1743 1760 ANSWER DOWNLOAD EXAMIANS APP
Inventions Who among the following invented the small pox vaccine? Louis Pasteur Robert Hooke Robert Koch Edward Jenner Louis Pasteur Robert Hooke Robert Koch Edward Jenner ANSWER DOWNLOAD EXAMIANS APP
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