Computer-based IELTS practice · free
Part 4
Listen and answer questions 31–40.
Situation: You will hear a lecture about volcanoes.
Complete the table below. Write ONE WORD AND/OR A NUMBER for each answer.
| Topic | Details |
|---|---|
| Location | about three-quarters are in the Ring of |
| Gentle eruptions | magma low in , e.g. Hawaii |
| Explosive eruptions | thick magma traps |
| Pyroclastic flows | over km per hour; destroyed |
| Climate | Pinatubo released sulphur dioxide and cooled the Earth for years |
| Benefits | very soil; energy (e.g. Iceland) |
| Monitoring | detect small earthquakes; measure ground changes |