What was gunpowder originally used for? A. Making weapons B. Building houses C. Making fireworks D. Farming 相关知识点: 试题来源: 解析 C。解析:“It was originally used for making fireworks and later developed into weapons.”,火药最初是用来制作烟花的。
All of these increased the defense of castles.The end of castles can be attributed to gunpowder. During A. Fancy Living: Learning about Castles the 15th century, artillery, a kind of large guns, became B. Normans: Bringing Castles to England powerful enough to break through stone walls. ...
What is modern gunpowder made of? Gunpowder, also commonly known as black powder to distinguish it from modern smokeless powder, is the earliest known chemical explosive. It consists ofa mixture of sulfur, carbon (in the form of charcoal) and potassium nitrate (saltpeter). The sulfur and carbon...
What Was the First Thanksgiving by:Alex625 207 What was the Berlin Wall by:KH139 2.3万 What was/is where is 系列 by:Janet2018Yi 100 WHAT by:华语音乐 181.4万 What? by:What调频 3923 What I wish Knew When I was 20 by:GETAudiobooks ...
Gunpowder plot.Discusses the safety aspects of fireworks displays in Great Britain. Prevalence of injuries due to fireworks; Children's accidents involving sparklers; Sources of safety advice; Standard Fireworks' reduction of the power of its bangers and removal of several products. INSET: Untitled (...
2 Gunpowder, papermaking, printing, the compass, the steam engine, the telephone, the radio,virtual reality(虚 拟现实) , wearable tech(可 穿戴科技设备) ,the flexible battery(柔性电池),the 3D printer, the intelligent walking house, the wheel, the car, new energy vehicles, and the time mach...
A. Nuclear warfare B. Gunpowder warfare C. Cavalry warfare D. Air warfare 相关知识点: 试题来源: 解析 C。Cavalry warfare was the main form of warfare in the Middle Ages. Nuclear warfare and air warfare are modern forms of warfare. Gunpowder warfare developed later.反馈...
gunpowder and highly compressed hydrogen to fire projectiles at speeds far beyond that of a regular gun. The study revealed that the creatures could survive impacts up to about 900 meters per second into a target made of sand, and momentary shock pressures of up to 1.14 gigapascals (GPa). ...
What did Roger Bacon do with gunpowder?Roger Bacon and Gunpowder:Roger Bacon was a 13th century philosopher and theologist who brought his own unique touch to the way scientific methods were employed in the understanding of natural elements and every day lives...
WHAT GUNPOWDER PLOT WAS 1604. Nov. 28. Fines required from thirteen Catholics rich enough to pay 2,01. a month. About Dec. Bates sworn. About Dec. 11. The five conspirators begin to dig the mine. Before Christmas. The diggers having ...