My name is Vera and I would like to tell you a bit more about volcanoes. The name volcano comes from Vulcan, the Roman god of fire! The molten rock and ash solidify as they cool, forming the distinctive volcano shape shown here. As a volcano erupts, it spills lava that flows downslope. Hot ash and gases are thrown into the air. Some volcanoes are covered with snow and ice.
Magma collects in a chamber beneath the crust, pressure builds up and forces it up through cracks or fissure and a conduit to the surface is created. Hot gases try to escape but are trapped in the magma. The surface of the Earth begins to bulge until the pressure can no longer be contained. Gases and fragments are released in a violent explosion.
But are volcanoes somehow beneficial for people and the environment? Little do many people know, volcanoes actually do less harm than good. Volcanoes, though it sounds crazy, actually benefit the environment a lot. The fiery lava that spews all over the place leaves rocks and ash in its path that in time — a lot of time — provide nutrients and rich soil that make plants extensively flourish and grow. They also cool down the earth.
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