Inventions When was the first elevator built? 1760 1739 1743 1785 1760 1739 1743 1785 ANSWER DOWNLOAD EXAMIANS APP
Inventions What charge card, developed in 1950, was the first to be accepted nationally in the US? Discover MasterCharge Diner's Club Visa Discover MasterCharge Diner's Club Visa ANSWER DOWNLOAD EXAMIANS APP
Inventions What Enrico Fermi invented? Cyclotron Nuclear reactor X ray machine Betatron Cyclotron Nuclear reactor X ray machine Betatron 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? Edward Jenner Louis Pasteur Robert Hooke Robert Koch Edward Jenner Louis Pasteur Robert Hooke Robert Koch ANSWER DOWNLOAD EXAMIANS APP
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