Inventions When was the first elevator built? 1743 1785 1760 1739 1743 1785 1760 1739 ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Dynamite? Alfred B. Nobel Sir Alexander Graham Bell Benjamin Franklin Thomas Alva Edison Alfred B. Nobel Sir Alexander Graham Bell Benjamin Franklin Thomas Alva Edison ANSWER DOWNLOAD EXAMIANS APP
Inventions What groovy item was invented by Englishman Edward Craven Walker in 1963? Leisure suit Eight-track tape deck Lava lamp Hot comb Leisure suit Eight-track tape deck Lava lamp Hot comb ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the Raggedy Ann doll patented? 1915 1911 1919 1920 1915 1911 1919 1920 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? Robert Oppenheimer Leslie R. Groves James B. Conant Vannevar Bush Robert Oppenheimer Leslie R. Groves James B. Conant Vannevar Bush ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Gunpowder? G. Ferdinand Von Zeppelin Sir Frank Whittle Roger Bacon Leo H Baekeland G. Ferdinand Von Zeppelin Sir Frank Whittle Roger Bacon Leo H Baekeland ANSWER DOWNLOAD EXAMIANS APP