Question

Heat and pressure drive water out of the rock.

[ Choose ]
Magma rises towards the surface.

First
The tectonic plate subducts.

[ Choose ]
The water lowers the melting temperature of the mantle.

[ Choose ]
Volcanoes form on the plate that does not subduct.

[ Choose ]

Answer 1

First: The tectonic plate subducts.

Choose: Magma rises towards the surface.

Choose: The water lowers the melting temperature of the mantle.

Choose: Volcanoes form on the plate that does not subduct.