Delta Listening Quiz 8 Q 12-17

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Question 1 of 6

1. Question
12. What is the lecture mainly about?
- A. The geology of the Cascade Range
- B. Properties of dormant volcanoes
- C. A specific period of volcanic activity
- D. How geologists measure volcanic strength
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Question 2 of 6

2. Question
13. According to the professor, how did the cycle of volcanic eruptions begin?
- A. Several earthquakes and avalanches occurred.
- B. A cloud of ash traveled around the world.
- C. The volcano erupted suddenly without warning.
- D. Magma poured out of the top of the mountain.
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Question 3 of 6

3. Question
14. Why does the professor say this:
- A. To tell of his own experience of watching the mountain
- B. To explain why the events were a surprise to geologists
- C. To show that the eruptions interested a lot of people
- D. To criticize the media for interfering with the scientists
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Question 4 of 6

4. Question
15. Listen again to part of the lecture. Then answer the question. What does the professor mean when he says this:
- A. It had been a long time since the previous eruption of St. Helens.
- B. The public suddenly lost interest in watching the eruptions.
- C. Scientists took a few days off before continuing their work.
- D. The small eruptions paused briefly just before the major eruption.
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Question 5 of 6

5. Question
16. What were some effects of the eruption? Click on 2 answers.
- A. Geologists were criticized for failing to predict it.
- B. Large numbers of animals and people were killed.
- C. The ash cloud affected weather around the world.
- D. Tourists were afraid to visit the Cascade Range.
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Question 6 of 6

6. Question
17. What can be concluded about Mount St. Helens?
- A. It is a harmless inactive volcano.
- B. It is no longer of interest to geologists.
- C. It is the largest volcano in the world.
- D. It is likely to erupt in the future.
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