The ___ is a natural phenomenon that occurs when the earth's crust moves suddenly. What is it? A. tsunami B. earthquake C. hurricane D. blizzard 相关知识点: 试题来源: 解析 B。解析:earthquake意为地震,地震是由于地壳突然运动而产生的自然现象。tsunami是海啸,通常由海底地震、火山爆发等引发;...
[translate] a乖巧,聪明 Clever, intelligent [translate] a.when the Earth’s crust gains weight due to mountain building or glaciation, it deforms and sinks deeper into the mantle. .when地皮增重由于山大厦或冰河作用,它扭屈并且下沉更深入披风。 [translate] ...
A. The Earth's crust doesn't move when earthquakesdon't occur.B. Scientists know where earthquakes are likely tohappen.C. Scientists can know exactly when earthquakes willhappen.D. Earthquakes never give any warnings before theyoccur.4. What's the main idea of the fourth paragraph?A. It'...
aWhen the magma finds cracks in the Earth's crust,it rises up.Gas bubbles inside the magma grow bigger and try to escape as the molten rock gets closer to the Earth's surface.When the gas bubbles can't be held back any longer,the volceno erupts.Imagine shaking a soda bottle until ...
Timothy Kusky and colleagues' discovery of a 2.5-billion-year-old oceanic crust and mantle; Dearth of fragments of ancient oceanic lithosphere; Major factors governing oceanic crustal surface.KarsonJeffreyA.ScienceJeffrey A. Karson.GEOPHYSICS:Oceanic Crust When Earth Was Young.Science. 2001...
请从方框内选择适当的词并用其正确形式填空使文章完整连 贯注意每空一词每词仅用一次 有两词为多余项 deep how be one what with from when mystery dig value our Recently our scientists have begun digging a really deep hole down to the center of the Earth in Xinjiang hoping t...
the time next to each other.When the plates touch each other,huge rocks are created(创造)and explode(爆炸)with great power(力量),causing an earthquake.As the plates move,they put pressure on themselves and each other.When the pressure is large enough,the crust(地壳)is fo...
A thin layer of rock and dirt covers the Earth. Known as the crust, it may have begun moving roughly 3.8 billion years ago. That’s the finding of a new study. A handful of ancient zircon crystals found in South Africa hold the oldest evidence of subduction, a key element of plate te...
The earth is made up of several layers.The top layer of the earth is called the earth’s crust. The crust is divided into sections which are called plates. When two plates push against each other.or when two plates rub against each other.an earthquake
根据朗播专家权威分析,句子“Individual specimens of Allende are covered with a black, glassy crust that formed when their exteriors melted as they were slowed by Earth's atmosphe 英语长难句解析 ”主要针对以下知识点进行考查,关于这些知识点的讲解如下: 句子类型 主从复合句 含有两套或更多的主谓结构,...