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10 questions from this quiz
Very few people live in that remote area
High-density mass of gases & hot ash
Constructive margins, subduction zones, hot spots
Approximately 75%
Around 70 million years
Gases cannot move freely, causing explosions
The explosiveness of volcanic eruptions
Mudflows of pyroclastic material & water
Frequent but relatively gentle eruptions
Logarithmic - each step = 10x more material
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