Which description tells two processes scientists think move Earth's lithospheric plates?

Question

Which description tells two processes scientists think move Earth's lithospheric plates?

Responses

gravity acting on the edges of plates and friction between the plate and the asthenosphere

gravity acting on the edges of plates and friction between the plate and the asthenosphere

friction between the plate and the asthenosphere and pressure of magma on the edge of the plate

friction between the plate and the asthenosphere and pressure of magma on the edge of the plate

gravity acting on the edges of plates and convection in the mantle

gravity acting on the edges of plates and convection in the mantle

convection in the mantle and pressure of magma on the edge of the plate

Answer 1

Which description tells two processes scientists think move Earth's lithospheric plates?

Gravity acting on the edges of plates and convection in the mantle