Paper 1 · People, Development and Environment
Which of the following statements are true in the context of volcanic eruptions? 1. There is an explosion or emission of lava, ashes and toxic gases in volcanic eruptions. 2. Extremely high temperature and pressure cause rock to melt into liquid rock or magma, which rises through denser rock layers towards the surface. 3. The Pacific Ocean is known as the 'Ring of Fire' as it has the earth's most active volcanoes. 4. The most significant volcanic eruptions have been felt in the form of change in weather.
- Volcanic eruptions emit lava, ashes and toxic gases
- High temperature and pressure melt rock into magma, which rises toward the surface
- The Pacific Ocean is the 'Ring of Fire' with the most active volcanoes
- Major volcanic eruptions have been felt as changes in weather
A2, 3 and 4
B1, 2 and 3
C1, 2, 3 and 4 ✓ Correct
D1, 3 and 4
Correct answer: (C) 1, 2, 3 and 4 — All four statements are true, so that is the answer.
Explanation
★All four statements are true, so that is the answer.
★Volcanic eruptions emit lava, ashes and toxic gases.
★High heat and pressure melt rock into magma, which rises to the surface.
★The Pacific 'Ring of Fire' has the most active volcanoes.
★Major eruptions have changed the weather.
★So statements 1, 2, 3 and 4 are all true.
Want more like this? Create a free account to practise a full test, track your progress, and get spaced-repetition review.
Shared by Mcqkart · via Mcqkart.in