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The top documents tagged [volcano form]
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VOLCANIC ACTIVITY 1. WHAT IS A VOLCANO ? A volcano is a rupture on the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic
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What causes a Volcano? Volcanic activity often starts when a crack develops in the crust. Magma is then forced toward the surface. Repeated eruptions
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Plate Tectonics
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VOLCANOES 21.2 What is a volcano? Volcano: opening in the Earth’s crust where magma erupts onto the surface Magma: molten rock underground Lava: magma
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Jeopardy! Volcanoes
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