Volcano is an opening in Earth's surface through which lava, boiling gases, and stone fragments erupt. Also known as an opening, which forms when melted rock from deep within Earth blasts through the surface. Volcanoes are very enormous in width as well as length. Most volcanoes are mountains, which were built up around the opening by lava and other materials thrown out during eruptions. Without a doubt volcanoes provide necessary services to nature in the world. The eruption of lava constructs land to the earth and seafloor, and volcanic products provide abundant soil for agriculture. S…
