When a volcano erupts, lava may flow out. How does this lava flow affect the nearby forests? A. It will make the forests grow more luxuriantly because the lava contains a lot of water B. It will completely destroy the forests because of the high temperature and large area of the lava ...
When a volcano erupts, sulphur dioxide is released into the atmosphere, where it turns to sulfuric acid. Acid levels in the Greenland ice sheet are helping researchers study volcanic eruptions and their effects on climate. Example: Krakatau (near Java & Sumatra); Tambora (in the East Indies)...
27. ___ powerfully the volcano erupts! A. What B. What a C. How D. How a 答案解析:C。“powerfully”是副词,“how”用来修饰副词,表示火山喷发得多么猛烈。A和B选项“what”用于修饰名词,这里没有名词需要“what”来修饰;D选项“how”后面不能加“a”。 28. ___ magnificent the solar eclipse...
How a Volcano EruptsA volcano is any opening in the Earth’s surface that allows molten rock and volcanic gases to escape from far below the Earth’s surface. Although many volcanoes are mountainous in shape, a volcano can exist in nearly any form, including volcanic vents on the ocean ...
If the viscosity and the gas pressure are low enough, lava will flow slowly onto the earth's surface when the volcano erupts, with minimal explosion. While these effusive lava flows can reap considerable damage on wildlife and manmade structures, they are not particularly dangerous to people bec...
If the viscosity and the gas pressure are low enough, lava will flow slowly onto the earth's surface when the volcano erupts, with minimal explosion. While these effusive lava flows can reap considerable damage on wildlife and manmade structures, they are not particularly dangerous to people bec...
Why do earthquakes occur before a volcano erupts? How long can volcanoes erupt for? How are volcanoes created at the Mid-Atlantic Ridge? How does plate tectonics affect the rock cycle? What causes hot spot volcanoes? How do hot spots create volcanic mountain ranges like Hawaii? How are volcan...
In many cases, it is not easy to define the start and end of an eruption and whether long-lasting eruptions should be considered in such statistics or not. Generally, volcanologist prefer to talk about eruptive phases of a volcano that belong to one single eruption: two or several eruptive ...
Is Mount St. Helens a fissure volcano? When did the Kilauea volcano first erupt? How do landforms from magma form and become exposed? How often does a shield volcano erupt? When did the Vesuvius volcano erupt? What happens immediately before a volcano erupts?
Thisparticular volcanoerupts with smoke and fire, not lava. If you add iron or aluminum filings to the mixture, you can shoot a shower of sparks. Ketchup & Baking Soda Volcano Ketchup contains vinegar, which reacts with baking soda to produce an extra-special lava for a chemical volcano.Kin...