this is a power-point on volcanoes. by eve-marie cook
TRANSCRIPT
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This is a power-point on volcanoes.
By Eve-Marie Cook
![Page 2: This is a power-point on volcanoes. By Eve-Marie Cook](https://reader036.vdocuments.us/reader036/viewer/2022062803/56649efc5503460f94c0ec07/html5/thumbnails/2.jpg)
What is a volcano?How do they work?Where are there volcanoes ?How many people have died?
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A volcano is a mountain or hill, typically cone shaped, having a crater or vent where lava, rock fragments, hot vapour, and gas are or have been erupted from the earth's crust.
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The Earth's crust is made up of huge slabs called plates, which fit together like a jigsaw puzzle. These plates sometimes move. The friction causes earthquakes and volcanic eruptions near the edges of the plates. The theory that explains this process is called plate tectonics.
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Where are there volcanoes?
The red dots represent volcanoes. As you can see most volcanoes are along the coastline or in the sea.
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About 200,000 have lost their lives by volcanic eruptions over the last 500 years. One devastating eruption was in the Carrabin where about 30,000 people died.
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Thank you!!!
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