Expression of IdeasEasy–MediumSynthesis: why a volcano is monitored
Expression of Ideas practice question
While researching a topic, a student has taken the following notes:
- The volcano last erupted in 1707.
- It is considered active.
- It is monitored by 30 seismometers.
- About 100,000 people live within 20 kilometres of it.
The student wants to emphasise why monitoring the volcano matters. Which choice most effectively uses relevant information from the notes to accomplish this goal?
- A. Although it last erupted in 1707, the volcano is still active, and about 100,000 people live within 20 kilometres of it.Correct
- B. The volcano is monitored by 30 seismometers.
- C. The volcano last erupted in 1707.
- D. Seismometers detect small earthquakes.
Answer: A. Although it last erupted in 1707, the volcano is still active, and about 100,000 people live within 20 kilometres of it.
Active, and a city nearby.
Why the other answers are wrong
- B. The volcano is monitored by 30 seismometers.
- The monitoring, not why it matters.
- C. The volcano last erupted in 1707.
- Suggests the danger is past.
- D. Seismometers detect small earthquakes.
- Not in the notes.
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