Inventions When was the first lawn mower invented? 1830 1849 1835 1854 1830 1849 1835 1854 ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Gramophone? Michael Faraday Sir Alexander Graham Bell Thomas Alva Edison Fahrenheit Michael Faraday Sir Alexander Graham Bell Thomas Alva Edison Fahrenheit ANSWER DOWNLOAD EXAMIANS APP
Inventions FROZEN FOOD - Who discovered the first practical method of freezing food? F. Rozenosh R. Scott G. Findus C. Birdsey F. Rozenosh R. Scott G. Findus C. Birdsey 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 Robert Oppenheimer Vannevar Bush Leslie R. Groves James B. Conant Robert Oppenheimer Vannevar Bush Leslie R. Groves ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Automobiles using gasoline? Evangelista Torricelli Leo H Baekeland Karl Benz Kirkpatrick Macmillan Evangelista Torricelli Leo H Baekeland Karl Benz Kirkpatrick Macmillan ANSWER DOWNLOAD EXAMIANS APP
Inventions What item, originally called the 'Whirlwind', was invented by Ives McGaffey in 1869? Blender Washing machine Electric mixer Vacuum cleaner Blender Washing machine Electric mixer Vacuum cleaner ANSWER DOWNLOAD EXAMIANS APP