Inventions When was the first elevator built? 1760 1743 1739 1785 1760 1743 1739 1785 ANSWER DOWNLOAD EXAMIANS APP
Inventions What charge card, developed in 1950, was the first to be accepted nationally in the US? Diner's Club Visa Discover MasterCharge Diner's Club Visa Discover MasterCharge ANSWER DOWNLOAD EXAMIANS APP
Inventions What Enrico Fermi invented? Nuclear reactor Cyclotron Betatron X ray machine Nuclear reactor Cyclotron Betatron X ray machine ANSWER DOWNLOAD EXAMIANS APP
Inventions Which of the following was first patented by an Australian in 1889? Electric Drill Electric Shaver Electric Fence Electric Heater Electric Drill Electric Shaver Electric Fence Electric Heater ANSWER DOWNLOAD EXAMIANS APP
Inventions Who among the following invented the small pox vaccine? Robert Hooke Edward Jenner Robert Koch Louis Pasteur Robert Hooke Edward Jenner Robert Koch Louis Pasteur ANSWER DOWNLOAD EXAMIANS APP
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