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Which of the following statements is true?
Tephra
Rock fragments and particles ejected by a volcanic eruption which include ash, lapilli, and volcanic bombs.
Composite Volcanoes
Volcanoes characterized by explosive eruptions and composed of alternating layers of lava and volcanic ash.
Pyroclastic Material
Fragmented material ejected during volcanic eruptions, including ash, bomb, lapilli, and volcanic blocks, which varies in size, shape, and composition.
Mudflows
Rapid downhill movement of water-laden earth materials, primarily composed of fine-grained soils and clays, which can cause significant erosion and damage.
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