What is volcano ?
How magma become?
Give one example of volcano
Answers
A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash and gases to escape from a magma chamber below the surface.
Magma is formed by the melting of Earth's mantle and/or the crust at various tectonic settings.
An example of a volcano is Mount Etna.
LAVA – Lava is the liquid rock (magma) that flows out of a volcano. Lava glows red hot to white hot as it flows.
ACTIVE VOLCANO – An active volcano is one that erupts regularly.
DORMANT VOLCANO – A dormant volcano is one that has not erupted for many years, although there is still some activity deep inside.
A fissure vent, also known as a volcanic fissure, eruption fissure or simply a fissure, is a linear volcanic vent through which lava erupts, usually without any explosive activity. The vent is often a few metres wide and may be many kilometres long. ... Fissure vents are often part of the structure of shield volcanoes.
extinct volacanoes are called dead volcanoe
volcano-- a mountain or hilly tropical ,cronical, having a creter or can't through which lava, rock, fregments, hot vapour and gas are or have been erected from the Earth...
TYPES OF VOLCANOS:
cinder cone.
stravolcano.
Mount rainier.
Mount Fuji.
Lava dome.
Mauna loa.
FOUR MAJOR TYPES:
clinder cone volcano...
composite volcanos...
shield valcanos......
Lava domes.....
Hope this helps u....
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