Question

what is volcano explain.
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Answer 1

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Volcanic eruptions happen when lava and gas are discharged from a volcanic vent. ... Volcanic eruptions often cause temporary food shortages and volcanic ash landslides called Lahar. The most dangerous type of volcanic eruption is referred to as a 'glowing avalanche'.

Answer 2

Answer:

A volcano is an opening in the earth's crust through which lava, volcanic ash, and gases escape. ... Beneath a volcano, liquid magma containing dissolved gases rises through cracks in the Earth's crust.