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Natalka [10]
3 years ago
9

How does a volcano form?

Biology
2 answers:
grandymaker [24]3 years ago
8 0
Volcanoes<span> are </span>formed<span> when magma from within the Earth's upper mantle works its way to the surface. At the surface, it erupts to </span>form<span> lava flows and ash deposits. </span>
7nadin3 [17]3 years ago
7 0
When magma from within the earths upper mantle works its was to the surface
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