New crust is continually being pushed away from divergent boundaries (where ... to keep the Earth the same size? The answer is subduction. In locations around the world, ocean crust subducts ...

At divergent boundaries in the oceans, magma from deep in the Earth's mantle rises toward the surface and pushes apart two or more plates. Mountains and volcanoes rise along the seam. The process ...

Also known as spreading boundary, a divergent boundary occurs where two plates move apart, allowing magma, or molten rock, to rise from the Earth's interior to fill in the gap. The two plates move ...