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