Why does a volcano erupt? A. Because of the pressure inside the earth. B. Because of the wind. C. Because of the rain. D. Because of the cold weather. 相关知识点: 试题来源: 解析 A。解析:火山喷发是因为地球内部的压力。选项 B 风不是原因;选项 C 雨不是原因;选项 D 寒冷天气不是...
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I often wondered why the people of pompeii did not run away before the volcano erupted.As it turns out,they did not know (61)___ 火山是什么东西.In fact,the Romans did not even have a word for'volcano'.(62)___ They___ had no idea that a volcano would destroy them. Started from...
1 I often wondered why the people of Pompeii did not run away before the volcano erupted. As it turns out, they didn’t know what a volcano was. In fact, the Romans did not even have a word for “volcano”. 小题1:They had no idea that a volcano would destroy them. Starting from...
Why does a volcano erupt with baking soda and vinegar? Why do earthquakes often happen around the Ring of Fire? Why do igneous rocks that solidify underground cool so slowly? Why do earthquakes produce seismic waves? How does Kilauea affect the cryosphere? Why is the theory of plate tectonics...
Volcanoes happen where the earth's__8__is thin：lava，dust and gases__9__ from beneath the earth．They can rise into a huge cone shape like a mountain and erupt，__10__they can be so violent that they just explode directly from the earth with no warning．There are1511'__11__'...
I often wondered why the people of Pompeii did not run away before the Volcano erupted.As it turns out,they did not know what a(36) D was.In fact,the Romans did not even have a word for‘volcano'.They had no idea that a volcano would (37) B them.Starting from 20 August AD 79...
In February 1924, scientists watched the lava lake within Halema‘uma‘udrain. By May of that year, the vent began to erupt explosively. This time around, it's unknown when exactly the explosive eruption might happen, only that conditions are prime for another series of explosions -- so it...
2、vingmemoryit was a 31 underwater quake and occurred in the indian oceanit 32 coastlines, communities andbrought death to many peoplewhy do earthquakes happen. the surface of the earth has not always lookedas it does to;daity is moving 33 although very slowly and has done sofor billions...
Apparently, no one had taken the time to seriously consider what would happen if a Moncton-style seepage event coincided with one of the PNW’s notoriously damp winter days. This second story takes place in the little town of Edgewick, about 2 miles northeast of Rattlesnake Lake. Edgewick ...