What happens during a volcanic eruption?Question:What happens during a volcanic eruption?Volcanoes:Volcanoes are formed when magma from within the earth pushes out through a weak spot in the earth's crust, often at the border of tectonic plates. They can be classed as active, dormant, or exti...
百度试题 结果1 题目 B2. What happened many times before the eruption of the volcano? A. Heavy rain. B. Earthquakes. C. Sandstorms. D. Snowstorms. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
In very explosive volcanic eruptions, ash and gases are mixed together in what's called a "pyroclastic flow". Such a mixture moves very fast and can be quite deadly. During the eruption of Mt. St. Helens in Washington, the blast fromMount Pinatuboin the Philippines, and the eruptions near...
A. The pressure inside the Earth. B. The change of weather. C. The movement of ocean water. D. The growth of plants. 相关知识点: 试题来源: 解析 A。火山喷发的主要原因是地球内部的压力。天气变化、海水运动、植物生长都不是火山喷发的主要原因。反馈...
A volcano on Tonga's Hunga Ha'apai Island erupted on January 14, sending ash, steam and gas into the air. What have people in Tonga gone through? How is the situation now? What will China do to help Tonga's recovery?RELATED STORIES What we know so far about Lebanon pager explosions...
What plates are causing San Cristobal volcano to form? What type of geologic formation can volcanoes create? What happens when a composite volcano erupts? What happens during a volcanic eruption? What happens after a volcanic eruption? Why do earthquakes often happen near volcanic regions?
A. Run towards the volcano. B. Stay indoors and close all windows. C. Go outside and watch. D. Stand in an open area. 相关知识点: 试题来源: 解析 B。保护自己免受火山喷发影响的最好方式是待在室内并关闭所有窗户,A 选项朝火山跑去、C 选项出去观看、D 选项站在开阔区域都是危险的。反馈...
Eruption from Etna volcanoThe word "volcano" comes from the Roman God of Fire, Vulcanus. Also the small volcanic island of Vulcano in the Eolian Islands off Sicily, was called after that god. Apparently, this island was highly active in Ancient times and people believed its crater was the ...
In case of a volcanic eruption, we should stay away from the volcano. What else should we do? A. Run towards the volcano to see it. B. Stand still and watch. C. Follow the lava flow. D. Evacuate to a safe place. 相关知识点: ...
aMaximum acidity 最大酸度[translate] aDuring an explosive eruption,pieces of rock are thrown from the volcano.Scientists call these pyroclasts.The smallest pyroclasts are called ash.Ash is often thrown into the atmosphere by the force of the eruption.Larger rocks,about walunt size,are called ...