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up. Tectonic plates are the huge pieces of rock produced when this
continent broke up.
The internal forces of the Earth cause earthquakes and volcanoes.
_________are the result of vibrations, or seismic waves. Volcanoes
are cracks in the Earth's surface. Pressure forces magma to the surface
through these cracks. During a volcanic eruption, gases, ash, rocks and
lava are expelled. When these materials cool, they form the volcano’s
cone.
Task 2 Suggest subtitles for each paragraph and make up 5
questions to the text.
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