What is a destructive force caused by the convection in the mantle

convergent margins.

Explanation:

Mantle convection causes the phenomenon of plate tectonics on the earth surface.

From plate tectonics, we understand that the earth surface is broken into several giant slabs made up of the crust and upper part of the mantle. This is called the lithosphere. The lithosphere sits on the weak and plastic asthenosphere in the mantle.

The mantle is made up of series of convective cells through which hot, molten and lighter materials which are more buoyant rises up. They are then replaced by cold and denser materials. This system of exchange sets up a convection system which drives the overriding lithospheric plates.

The plates can collide with one another at convergent margins, some can move away from one another at divergent margins and some just slides past one another at transform margins.

A convergent margin is a destructive margin in which the lithosphere is destroyed either by collision or subduction.

8 m/s because for him to get the same amount of energy as ray is putting out, bobby, who weighs half as much as ray, needs to run twice as fast.

a corroding iron, if that's one of your choices