Endogenic Processes: Volcanism

Which of the following is not a main source of internal heat on Earth?

• heat from the accretion of Earth during its formation

• Frictional heating caused by the sinking of core materials

• Heat from radioactive elements

• Radiation from the sun

Volcanism is driven by _________________.

• Plate tectonic motion

• accretion of Earth

• Sinking of core materials

• Solidification of molten rocks

Decrease in pressure generates magma.

• True

• False

Intrusive igneous rocks are formed _________________.

• above the surface

• below the surface

what type of rock comes from preexisting rocks?

• Igneous rock

• sedimentary rock

• metamorphic rock

• none of this

Temperature decreases with depth

• True

• False

The addition of heat can be generated within the lithosphere at the subduction zone.

• True

• False

The melting caused by increasing pressure is called pressure-releasing melting.

• True

• False

It is a vent in the surface of Earth where magma is expelled during a volcanic eruption.

It refers to any change in the shape or size of a rick as a response to the stress.