Answer:

,VOLCANOES are classified as active, dormant, or extinct. Active volcanoes have a recent history of eruptions. they are likely to erupt again.Dormant volcanoes have not erupted for a very long time but may erupt at a future time .

TYPES OF VOLCANOES :GEOLOGIST generally group volcanoes into four kinds--cinder cones , composite volcanoes , shield volcanoes and lava domes

D E S C R I P T I O N S .

1) CINDER CONE - are the simplest type of volcano .They are built from psrticles and blobs of congealed lava. ejected from a single vent

2) COMPOSITE volcano - A Strato volcano also known as composite volcano , is a conical volcano but up by many layers( strata ) of hardened lava and tephra.

3) SHIELD VOLCANO a broad domed volcano with gently sloping sides , characterictic of the eruption of fluid , basaltic lava.

4) LAVA DOME - In Volcanology , a lava dome is a circular mound-shape protusion resulting from

the slow extrusion of viscous lava from a volcano .

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