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The correct option is d. A lahar is a volcanic mudflow that resembles fluid concrete.
A lahar is a dangerous variety of mudflow or debris flow that is made up of a slurry of pyroclastic material, stony debris, and water. Usually along a river valley, the material descended from the volcano. Lahars are incredibly destructive; they can move at speeds of up to 10 meters per second, can reach depths of up to 140 meters (460 feet), and tend to destroy any structures in their path. Lahars at Mount Pinatubo and Nevado del Ruiz are notable examples; the latter killed hundreds of people in the town of Armero. A mixture of flowing water and pyroclastic material is referred to as a lahar in general. It makes no mention of a specific rheology or sediment concentration.
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Answer:A lahar is: a volcanic mud stream that looks like liquid cement. A sparkling haze of pyroclastic pieces and hot gas characterizes a pyroclastic stream (nuée passionate); a fell volcanic construction characterizes a caldera
Explanation:a magma lake in a culmination hole is realized just by the names given in the inquiry. A gleaming haze of gases and pieces is entirely expected with unstable ejections; safeguard volcanoes, including pyroclastic those of Hawaii, are related with gushing, not hazardous, eruptions.The mantle tuft that takes care of these volcanoes underlies the disparate plate limit known as the Mid-Atlantic Edge.
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