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What do you know?
  1. Describe some of the different types of volcanic eruptions.
    (See answer)
  2. Identify the sources of volcanic activity on Earth and elsewhere in the solar system that were discussed in the story.
    (See answer)
  3. Compare and contrast two volcanoes discussed in the story.
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  4. Identify ways in which volcanoes are both harmful and helpful for people.
    (See answer)