Which part of the rock cycle can only occur because of thermal convection?(1 point)

Responses

sediment changing to sedimentary rock
sediment changing to sedimentary rock

metamorphic rock changing to sedimentary rock
metamorphic rock changing to sedimentary rock

igneous rock changing to metamorphic rock
igneous rock changing to metamorphic rock

magma changing to igneous rock

1 answer

The part of the rock cycle that can only occur because of thermal convection is magma changing to igneous rock. Thermal convection in the Earth's mantle drives the movement of magma, allowing it to rise and cool to form igneous rock.