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Question
The funnel-shaed hollow at the top of the cone of a volcano is called ___________.
The funnel-shaed hollow at the top of the cone of a volcano is called ___________.
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Solution
The correct option is B crater
A volcanic crater is a funnel shaped hollow at the top of
the vent. It is formed as lava and gas and ash are blasted upwards from the
main vent. Material falls back down to earth around the vent and slowly piles
up forming a rim around it. The inside of the crater is kept clear by the force
of upward moving material constantly removing any debris which falls there.
A volcanic crater is a funnel shaped hollow at the top of the vent. It is formed as lava and gas and ash are blasted upwards from the main vent. Material falls back down to earth around the vent and slowly piles up forming a rim around it. The inside of the crater is kept clear by the force of upward moving material constantly removing any debris which falls there.
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