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Type: Multiple-Choice
Category: Tectonics
Level: Grade 9
Score: 3
Tags: aftershocks
Author: appier
Last Modified: a month ago

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Tectonics Question

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Grade 9 Tectonics

Smaller earthquakes or tremors called                   often follow a major earthquake at frequent intervals for days or months, gradually decreasing in intensity.
  1. primary tremors
  2. secondary tremors
  3. aftershocks
  4. surface waves
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