Inventions Who invented the first controllable flying AEROPLANE (AIRPLANE)? West Brothers South Brothers Lidenbergh Brothers Wright Brothers West Brothers South Brothers Lidenbergh Brothers Wright Brothers ANSWER DOWNLOAD EXAMIANS APP
Inventions Where was the yo-yo invented? Philippines England United States France Philippines England United States France ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the first elevator built? 1785 1743 1739 1760 1785 1743 1739 1760 ANSWER DOWNLOAD EXAMIANS APP
Inventions It travels over land and water. Who invented the HOVERCRAFT? T. Henman O. Stricheg S. Sperrow C. Cockerell T. Henman O. Stricheg S. Sperrow C. Cockerell ANSWER DOWNLOAD EXAMIANS APP
Inventions The Manhattan Project was started by President Roosevelt in 1942 to ensure that the U.S. beat the Germans in developing a nuclear bomb. Whom did Roosevelt appoint as scientific head the Manhattan Project? James B. Conant Leslie R. Groves Vannevar Bush Robert Oppenheimer James B. Conant Leslie R. Groves Vannevar Bush Robert Oppenheimer ANSWER DOWNLOAD EXAMIANS APP
Inventions What inspired reflecting road lights to be invented? The sun light on the windshield The light a cat's eyes gave off on a fence Sun light on steel posts on road sides Car door reflecting mirrors The sun light on the windshield The light a cat's eyes gave off on a fence Sun light on steel posts on road sides Car door reflecting mirrors ANSWER DOWNLOAD EXAMIANS APP
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