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A volcanic __________ occurs when the __________ in a magma __________ becomes so great it is released like a valve. Magma is released through the volcano's __________ in an eruption of __________ rocks (bombs) and ash.

A volcanic __________ develops over centuries as flowing __________ from the active volcano __________ to form layers of rock

Verified Answer :

ahawk

A volcanic eruption occurs when the pressure  in a magma chamber becomes so great it is released like a valve. Magma is released through the volcano's cone in an eruption of lava rocks (bombs) and ash. A volcanic cone develops over centuries as flowing lava from the active volcano cools to form layers of rock. 
Hope this works,
Ahawk

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