Question

What substance comes out of volcanic eruption?

• A. Lava
• B. Water vapour
• C. Gases
• D. All of these

Hint:

Volcanic eruptions can have significant environmental impacts, including the release of greenhouse gases and ash clouds that affect air travel.

Answer 1

The Correct Option is D

Step 1: Understanding Volcanic Eruption.
During a volcanic eruption, various substances are ejected, including lava, gases, and water vapour. Lava is molten rock that comes from beneath the Earth's surface, water vapour is released due to the heat, and gases such as carbon dioxide and sulfur dioxide are emitted.
Step 2: Analysis of options.
- (A) Lava: Correct, lava is one of the substances that come out during a volcanic eruption.
- (B) Water vapour: Correct, water vapour is also emitted during volcanic eruptions.
- (C) Gases: Correct, volcanic eruptions release gases like carbon dioxide and sulfur dioxide.
- (D) All of these: Correct, all the mentioned substances are released during a volcanic eruption.
Step 3: Conclusion.
The correct answer is (D) All of these.