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