Question

According to Hess’s theory, what might happen if the magma under a mid-ocean ridge cools? The magnetic stripes might reverse direction. The deep-ocean trench might become deeper. The crust at the ridge might form more quickly. The plates on either side of the ridge might stop moving.

Answer 1

The plates on either side of the ridge might stop moving.

Step-by-step explanation:

Answer 2

The plates on either side of the ridge might stop moving

Step-by-step explanation:

The magma slowly pushing rocks farther apart from one another at the ridge is what causes the movement of the plates. So if it becomes solid, there would likely be no more movement.