a)August 25 b)August 24 c)August 23 d)August 26 Women's Equality Day is observed every year on August 26 to celebrate…
A. 1800s B. 1880s C. 1890s D. 1900s Explanation: In 1904, John Ambrose Fleming invented the first practical electron tube…
A. Electric Drill B. Electric Shaver C. Electric Fence D. Electric Heater Explanation: The Electric Drill was the invention of…
A. S. Sperrow B. O. Stricheg C. T. Henman D. C. Cockerell Explanation: Christopher Cockerell invented the hovercraft in 1956.…
A. Elijah McCoy B. Jan Ernst Matzeliger C. Ernest Just D. Lewis Latimer Explanation: Matzeliger never benefited financially from his…
A. S. Tuberosum B. W. Raleigh C. E. Asselbergs D. K. Edwards Explanation: Instant mash was invented by Edward A…
A. Albert Einstein B. Michael Skube C. George Gamow D. Roger Penrose Explanation: George Gamow. Gamow, who died in 1968,…
A. Lewis Edson Waterman B. Sir William Grove C. Charles Kettering D. George Fountain Explanation: Lewis Edson Waterman patented the…
A. Robert Koch B. Edward Jenner C. Robert Hooke D. Louis Pasteur
A. 1874 B. 1840 C. 1895 D. 1900 Explanation: Joseph F. Glidden was born in New York on Jan. 18,…