1. Where do most volcanoes occur? Why? 2. What is needed for magma to form?
3. If a volcano is dormant, can it become active? Can it become extinct?

1: they occur most in the ring of fire, mostly islands on the coasts.

2: a very hot source of heat and iron ore, nickel and rock.

3; yes they can come back alive and go dormant again, they can be extinct if the magma pocket closes or runs out of magma.

Explanation:

a substance in a physical state in which it does not resist change of shape and will expand indefinitely to fill any container.

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