Question

How does the release of trapped gases in magma cause a volcano to erupt?

Answer 1

The hot gases are trapped in the magma. These gases help magma to explode out onto the surface.

Further Explanation:

The core of the earth is too hot; it can even melt rocks and converted them into the thick flowing substance. This thick flowing substance is known as magma. It is lighter than rocks. It rises and gets collected into the magma chamber. It has a lot of trapped gases. When magma pushes through the vent, the pressure of the rocks in the magma goes on decreasing. These gases expand in the form of bubbles. The size of the bubbles increases with a decrease in pressure. During an eruption, these gases push magma from the magma chamber. The magma in the form of the larva explodes through the vent onto the surface.

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Answer Details:

Grade: High school

Subject: Biology

Chapter: Volcano eruption

Keywords:

Gases, trapped, magma, earth, melts, substances, rocks, chamber, pressure, vent, bubbles, eruption, explode, thick.

Answer 2

ANSWER:

While magma rises to the surface the pressure drops and the gases start to separate out.

EXPLANATION:

Magma is a blend of liquid or semi-liquid shake, volatiles, and solids that are found underneath the surface of the Earth. The gases are caught under in magma and after that, they r in colossal weight. As magma ascends to the surface the weight diminishes and the gases start to isolate out.