The Mt. Pinatubo endangered people, animals, and property when its 1991 eruption resulted in ________.

A. acid rain
B. the release of poisonous gases
C. massive lava flows
D. lahars and pyroclastic flows
E. pelting lapili


Answer: D

Environmental & Atmospheric Sciences

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Indicate whether the statement is true or false

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A. south B. east C. north D. west

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What will be an ideal response?

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Eruptive activity at the summit of the Nevada del Ruiz volcano in Colombia in 1985 caused snow and ice to melt, generating a ________ that killed 23,000 people in the village of Armero.

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Environmental & Atmospheric Sciences