Question

why are volcanoes safety valves of the earth​

Answer 1

Explanation:

A Short Essay on Volcanoes. A volcano is an opening, in the planet's surface which allows hot, molten rock, ash and gases to escape from below the surface. ... Volcanoes are like giant safety valves that release the pressure that builds up inside the Earth.

Answer 2

Answer:

To release the pressure inside Earth .

Explanation:

Due to presence of high temperature in core of Earth , this creates High pressure so as to release Volcanoes erupts.