Inventions What now-ubiquitous device was invented by Zenith engineer Eugene Polley in 1955? Calculator VCR Remote control Microwave oven Calculator VCR Remote control Microwave oven ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the transistor invented? 1960s 1950s 1940s 1980s 1960s 1950s 1940s 1980s ANSWER DOWNLOAD EXAMIANS APP
Inventions What African-American inventor received 5 patents in the field of shoemaking? Ernest Just Lewis Latimer Elijah McCoy Jan Ernst Matzeliger Ernest Just Lewis Latimer Elijah McCoy Jan Ernst Matzeliger ANSWER DOWNLOAD EXAMIANS APP
Inventions Who developed the idea of Crop Rotation? Potato Peterson Cabbage Carlson Swede Svenson Turnip Townsend Potato Peterson Cabbage Carlson Swede Svenson Turnip Townsend ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Fountain Pen? Sir Frank Whittle Kirkpatrick Macmillan Lewis E. Waterman John J. Loud Sir Frank Whittle Kirkpatrick Macmillan Lewis E. Waterman John J. Loud ANSWER DOWNLOAD EXAMIANS APP
Inventions Which of the following was first patented by an Australian in 1889? Electric Fence Electric Shaver Electric Heater Electric Drill Electric Fence Electric Shaver Electric Heater Electric Drill ANSWER DOWNLOAD EXAMIANS APP
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