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Презентация на тему: Volcanoes 


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Презентация на тему: Volcanoes 


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№ слайда 1 Volcanoes 
Описание слайда:

Volcanoes 

№ слайда 2 A volcano is an opening, or rupture, in the surface or crust of the Earth or a p
Описание слайда:

A volcano is an opening, or rupture, in the surface or crust of the Earth or a planetary mass object, which allows hot lava, volcanic ash and gases to escape from the magma chamber below the surface. A volcano is an opening, or rupture, in the surface or crust of the Earth or a planetary mass object, which allows hot lava, volcanic ash and gases to escape from the magma chamber below the surface.

№ слайда 3 On Earth, volcanoes are generally found where tectonic plates are diverging or c
Описание слайда:

On Earth, volcanoes are generally found where tectonic plates are diverging or converging.

№ слайда 4 There are three common types of volcano: composite volcanoes, often the most dea
Описание слайда:

There are three common types of volcano: composite volcanoes, often the most deadly;  shield volcanoes, which are large but generally less violent; cinder cones.

№ слайда 5 Erupting volcanoes can pose many hazards, not only in the immediate vicinity of
Описание слайда:

Erupting volcanoes can pose many hazards, not only in the immediate vicinity of the eruption.

№ слайда 6 Lava has a temperature of more than 1200 ° C, the rate of 2 to 40 kilometers
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Lava has a temperature of more than 1200 ° C, the rate of 2 to 40 kilometers

№ слайда 7 The largest volcano on Earth is Hawaii's  Mauna Loa. It is a
Описание слайда:

The largest volcano on Earth is Hawaii's  Mauna Loa. It is about 10 km tall from the sea floor to its summit (it rises about 4 km above sea level).

№ слайда 8 The most active volcano in the continental USA is Mt. St. Helens (located in wes
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The most active volcano in the continental USA is Mt. St. Helens (located in western Washington state).

№ слайда 9 Volcanic eruptions continue posing ever-greater threats to life and property.
Описание слайда:

Volcanic eruptions continue posing ever-greater threats to life and property.

№ слайда 10 South of Mexico City, Popocat petl has begun to come to life again.
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South of Mexico City, Popocat petl has begun to come to life again.

№ слайда 11 Another million people living in the Naples area are threatened by Mt. Vesuvius'
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Another million people living in the Naples area are threatened by Mt. Vesuvius' continued unrest.

№ слайда 12 THE END
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THE END

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