Volcano is the place in the earth's crater, from where hot gases rise continuously & melted rocks (lava), ash, gases etc come out through a hole or opening on Earth’s surface.
Types of volcanoes-
· Active volcano
The volcanoes from which hot gases and lava keep coming out continuously are called active volcanoes.
· Dormant volcanoes
Dormant volcanoes are those volcanoes which are not active at present and have extinguished sometime back but there is a chance that these would again erupt sometime sooner or later.
· Extinguished volcanoes
These are those volcanoes which erupted long long ago sometime in history but are no longer active nor there is a chance that they would ever become active again.
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