What Happens When a Volcano Erupts in the Galapagos?A satellite photo released by NASA on Tuesday shows the dramaticeffects of a volcano on Isabela...Warner, Kelsey
Volcanic eruptions are usually heralded by earthquake swarms. They indicate the motion of molten rock beneath the surface. Once an eruption is about to happen, the volcano can spew out lava in two forms, plus ash, and heated gases. Most people are familiar with the sinuous-looking ropy "paho...
Volcanoes are very dangerous. When a volcano erupts, what can come out of it? A. Water B. Fire C. Ice D. Air 相关知识点: 试题来源: 解析 B。火山喷发时会喷出岩浆和火焰等物质。选项 A“Water”(水)、选项 C“Ice”(冰)和选项 D“Air”(空气)通常不是火山喷发时直接喷出的主要物质,而...
What goes up into the air when a volcano erupts? A. Water and stones. B. Smoke and ash. C. Flowers and leaves. 相关知识点: 试题来源: 解析 B。解析:文中说“When a volcano erupts...Smoke and ash go up into the air.”,所以火山喷发时烟雾和火山灰会升到空中。反馈 收藏 ...
When a volcano erupts, lava blasts out of it and flows down its slopes. The outer surface of the erupting lava cools down very swiftly (e.g., hundreds of degrees per second) when it’s first exposed to air! Clearly, when red-hot lava comes in contact with air, it cools down incredi...
What pours out of a volcano when it erupts? A. Water B. Lava C. Sand D. Oil 相关知识点: 试题来源: 解析 B。解析:文章中明确提到“When a volcano erupts, it can cause great destruction. Lava pours out of the volcano”,所以答案是熔岩(lava)。
A volcano is a mountain that can erupt. What usually comes out when a volcano erupts? A. Only lava B. Lava, ash and gases C. Only ash D. Only gases 相关知识点: 试题来源: 解析 B。解析:火山爆发时通常会喷出熔岩、火山灰和气体。A选项只提到熔岩是不全面的。C选项只提到火山灰不全面。D...
What did Krakatoa cause when it erupted? It was the morning of August 27, 1883 that one of the world’s most astronomical eruptions occurred from the Krakatoa volcano. ... This eruption was caused byhigh pressure buildup in the two underlying tectonic plates. The resulting crack allow...
We should stay away from volcanoes all the time D. Volcanoes are always dangerous 相关知识点: 试题来源: 解析 B。解析:火山喷发喷出大量熔岩和火山灰,这暗示着地球内部的力量是巨大的,火山喷发不是因为它生气,虽然我们应该远离火山但这不是作者主要想表达的,说火山总是危险的过于绝对,所以选B。作者描述...
What happens if the volcano erupts? Iceland is facing events that its 360,000 residents “have not experienced before, at least not since the eruption in Vestmannaeyjar,” the country’s Civil Protection Agency said on Friday, referencing a 1973 eruption that began without warning and destroye...