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