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 Robert Oppenheimer Leslie R. Groves Vannevar Bush James B. Conant Robert Oppenheimer Leslie R. Groves Vannevar Bush ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the first lawn mower invented? 1835 1854 1830 1849 1835 1854 1830 1849 ANSWER DOWNLOAD EXAMIANS APP
Inventions What beverage was invented by Charles Alderton in 1885 in Waco, Texas? Cream soda Coca-Cola Sprite Dr. Pepper Cream soda Coca-Cola Sprite Dr. Pepper ANSWER DOWNLOAD EXAMIANS APP
Inventions What Frank Whittle invented? Jet propulsion Ethyl gasoline Sonar Radar Jet propulsion Ethyl gasoline Sonar Radar ANSWER DOWNLOAD EXAMIANS APP
Inventions When were bar code scanners invented? 1960s 1940s 1950s 1970s 1960s 1940s 1950s 1970s 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
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