Volcanoes

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A steep-sided volcano built from alternating layers of lava and ash is a:

A.Shield volcano

B.Stratovolcano (composite volcano)

C.Cinder cone only

D.Fissure vent

Volcanoes are associated with the eruption of what?

A.Only fresh water

B.Only soil nutrients

C.Only electrical charge

D.Magma, gases, and volcanic material

Molten rock beneath the Earth's surface is called magma; once it erupts onto the surface it is called:

A.Lava

B.Sediment

C.Ore

D.Slag

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