Inventions When was the first elevator built? 1760 1739 1785 1743 1760 1739 1785 1743 ANSWER DOWNLOAD EXAMIANS APP
Inventions What charge card, developed in 1950, was the first to be accepted nationally in the US? Diner's Club Discover Visa MasterCharge Diner's Club Discover Visa MasterCharge 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 Drill Electric Heater Electric Shaver Electric Fence Electric Drill Electric Heater Electric Shaver Electric Fence ANSWER DOWNLOAD EXAMIANS APP
Inventions Who among the following invented the small pox vaccine? Edward Jenner Robert Koch Louis Pasteur Robert Hooke Edward Jenner Robert Koch Louis Pasteur Robert Hooke ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS