Inventions FROZEN FOOD - Who discovered the first practical method of freezing food? G. Findus C. Birdsey R. Scott F. Rozenosh G. Findus C. Birdsey R. Scott F. Rozenosh ANSWER DOWNLOAD EXAMIANS APP
Inventions What item, originally called the 'Whirlwind', was invented by Ives McGaffey in 1869? Blender Vacuum cleaner Washing machine Electric mixer Blender Vacuum cleaner Washing machine Electric mixer ANSWER DOWNLOAD EXAMIANS APP
Inventions Who developed the idea of Crop Rotation? Turnip Townsend Potato Peterson Cabbage Carlson Swede Svenson Turnip Townsend Potato Peterson Cabbage Carlson Swede Svenson ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the game Frisbee invented? 1870s 1900s 1920s 1890s 1870s 1900s 1920s 1890s ANSWER DOWNLOAD EXAMIANS APP
Inventions Which of the following was first patented by an Australian in 1889? Electric Drill Electric Shaver Electric Fence Electric Heater Electric Drill Electric Shaver Electric Fence Electric Heater 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? Leslie R. Groves James B. Conant Vannevar Bush Robert Oppenheimer Leslie R. Groves James B. Conant Vannevar Bush Robert Oppenheimer ANSWER DOWNLOAD EXAMIANS APP
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