PDF chapter test TRY NOW

Fill in the blanks:
1.The term __________ is a sudden rush of a crowd of people, usually resulting in injuries and death from suffocation and trampling.
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2.______ are waves generated by earthquake, volcanic eruptions and underwater landslides.
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3. The duration of the earthquake may be a few seconds to some __________.
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Answer variants:
Stampede
minutes
Tsunami