1.

What are the reasons for the volcanic eruption ?

Answer»

When the tectonic balance is disturbed, hot magma, “Jrock material, ash, water vapour and other gases rush towards the surface with great speed. These are thrown out through a fissure or a vent in the rock strata. This process is called ‘volcanic eruption’.

There are four reasons for volcanic eruptions :

1. Very high temperature in the interior of the Earth,

2. Formation of liquid magma,

3. Formation of gases and water vapour and

4. Movement of magma towards the surface of the Earth.



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