to keep the magma in place. 可以让岩浆保持在原位。 But when this equilibrium is thrown off, the consequences can be explosive. 但是当这种平衡被打破, 就有可能产生爆炸性的后果。 One of the most common causes of an eruption 火山喷发最常见的原因之一 is an increase in magmastatic pressure. 是...
What can cause a volcano to erupt? A. Heavy rain B. Strong wind C. Movement of the Earth's crust D. Cold weather 相关知识点: 试题来源: 解析 C。本题考查火山喷发的原因。选项 A 大雨不会导致火山喷发;选项 B 强风也不是火山喷发的原因;选项 D 寒冷天气与火山喷发无关。地壳的运动 ...
The third process that causes volcanic eruptions is an injection of new magma into a chamber that is already filled with magma of similar or different composition. This injection forces some of the magma in the chamber to move up in the conduit and erupt at the surface. Although...
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What causes a volcano to erupt? Where is the world's longest river? Can a raindrop create a cavern?\nJoin popular ABC-TV weather forecaster Spencer Christian as he reveals the mysteries behind some of the world's most amazing waterways, mountains, forests, glaciers, caves, and more! Learn...
When could the volcano erupt? The probability of the volcano erupting at Fagradalsfjall in the coming days is "high", according to the Icelandic Meteorological Office (IMO). "We believe that this intrusion is literally hovering, sitting in equilibrium now just below the earth's surface," Matt...
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A. what causes volcanoes and what happens when they erupt B. how lav a pushes up and bursts through the crack C. why Mount Fuilyam a in Japan is a famous volcano D. what makes voleanges become quie 相关知识点: 试题来源: 解析 36. C【解析】参看第二段内容。 37.C【解析】参看第...
If the Yellowstone supervolcano were to erupt, it would happen like this: Heat rising from deep within the planet's core would begin to melt the molten rock just below the ground's surface. That would create a mixture of magma, rocks, vapor, carbon dioxide and other gases. As the mix...
named after legendary gods. Invite students to exploreLegends About Volcanoes,Volcanoes in Historical and Popular Culture: Legends and Mythology, or other print or online sources of volcano legends. Then ask each student to write his or her own legend about how volcanoes form or why they erupt....