Question

State the two causes of volcanic eruption and its two advantages.​

Answer 1

Explanation:

There are two types of eruptions in terms of activity, explosive eruptions and effusive eruptions. Explosive eruptions are characterized by gas-driven explosions that propels magma and tephra. Effusive eruptions, meanwhile, are characterized by the outpouring of lava without significant explosive eruption.

Answer 2

Answer:

Reasons of volcanic eruptions are as follows :-

1)Very high temperature in the interior of the earth .

2)Formation of liquid magma , gases and water vapour beneath the surface of the earth.

Benefits of the volcanoes are as follows:-

1)As magma soil is very fertile substantial crops can be grown.

2) Minerals such as mercury,lead,antimony,zinc,tungsten,tin,etc. are available from lava rock in volcanic areas.

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