ash
When under ground, molten volcanic material is known as magma, but once erupted, it is called lava.
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Sulfur dioxide is a product of a volcanic eruption that is also found in acid rain.
It actually has erupted. It erupted 250,000 years ago.
The mountain built up by a volcano is essentially a pile of material that has erupted from it such as lava, ash, and welded tuff.
a mountain built up from erupted material.
sulfur dioxide
pyroclastic
When under ground, molten volcanic material is known as magma, but once erupted, it is called lava.
No. Magma is molten rock that has not erupted. After it erupts it may or may not form pyroclastic material depending on how explosive the eruption is.
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from volcanic material that erupted from volcanic hole to the atmosphere and fall again into ground and gather in volcano areas
About 2 cubic km of material was erupted. About the size of the Mt St Helens eruption in 1980.
Sulfur dioxide is a product of a volcanic eruption that is also found in acid rain.
It actually has erupted. It erupted 250,000 years ago.
Andesite cools quickly because it forms from material erupted onto the surface, and so is composed to a cool environment.
The mountain built up by a volcano is essentially a pile of material that has erupted from it such as lava, ash, and welded tuff.