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Questions and Answers
What is the main reason why pyroclastic density currents associated with volcanic eruptions have a decreased capacity to travel away from the volcano?
Which of the following is a key difference between pyroclastic flows and tephra?
What was a major consequence of the tephra produced during the 1815 eruption of Tambora volcano in Indonesia?
What is a key characteristic of tephra that makes them extremely destructive?
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Which of the following is an example of a pyroclastic surge event that resulted in significant loss of life?
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What type of tectonic plate boundary is responsible for most of the volcanic activity on Earth?
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Which type of volcano is characterized by round, dome-like structures with gentle slopes?
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What term is used for molten rock that remains beneath the surface of Earth?
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Which type of volcano is marked by the presence of calderas and multiple vents through which lava can flow?
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Besides molten rock, what other types of materials can volcanoes eject?
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What distinguishes a pyroclastic flow from a lava flow?
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Why are pyroclastic surges able to travel at faster speeds compared to pyroclastic flows?
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What is the speed at which pyroclastic flows can move?
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How do lava flows compare to pyroclastic flows in terms of composition?
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What distinguishes a pyroclastic surge from a pyroclastic flow?
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