Question

what is lava . define when it irrupt ​

Answer 1

Answer:

Explanation:

Hot molten or semi-fluid rock erupted from a volcano or fissure, or solid rock resulting from cooling of this is known as lava.

Volcanoes can erupt in different situations:-

1. Volcanoes erupt when molten rock called magma rises to the surface. Magma is formed when the earth's mantle melts.

2.Melting may happen where tectonic plates are pulling apart or where one plate is pushed down under another.

3. Magma is lighter than rock so rises towards the Earth's surface.

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Answer 2

Answer:

What is lava?

Lava is the molten liquid of many substances found deep inside the earth.Lava inside the earth is called magma.When volcano erupt magma comes out as lava.

When it erupt?

Due to immense high temperature, eruption takes place.