Question

how are volcanoes cused ?
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Answer 1

Answer:

hey dear there is your answer -

Volcanoes erupt when molten rock called magma rises to the surface. Magma is formed when the earth's mantle melts. ... If magma is thick, gas bubbles cannot easily escape and pressure builds up as the magma rises. When the pressure is too much an explosive eruption can happen, which can be dangerous and destructive.

Answer 2

Answer:

volcanoes erupt when molten rock called magma rise to the surface magma is formed when the earth mantle melts if magma is thick gas bubbles cannot easily escape and pressure bulid up as the magma rise when the pressure is too much an explosive eruption can happen , which can be dangerous and destructive