Gunpowder … a mixture of potassium nitrate, charcoal and sulfur. A.had B.was C.had been Answer and Feedback Answer:B do you want? view more test Xem thêm Share this post Some other questions you may be interested in. What is the common between the years 1914, 1918, 1935, 1940, 1941, 1942 and 1943? It is generally accepted that paper money was invented in this nation. He was the first Major League Baseball manager to win a World Series in both the National and American Leagues. Windows runs most computers. When the first version of the Windows Operating System released? Almost everyone knows of Hank Aaron, Babe Ruth, Sandy Koufax, Bob Gibson, and Ichiro Suzuki but who was Bill Klem? This person was recognized as the first billionaire. Who is the creator of the first steam locomotive? Sancho Panza was the squire to and the best friend of Don Quixote. What does panza†mean in Spanish? Finnish, the language spoken by over 94 % of the people of Finland is most closely related to this language. Which is the author of The Scarlatti Inheritance, The Matarese Cycle, The Osterman Weekend, and The Scorpio Illusion.?
