Answer the following question given this paragraph: 

In some places, the oceanic crust comes up to a continent. The moving crust pushes that continent away from the ridge axis as well. If the moving oceanic crust reaches a deep sea trench, the crust sinks into the mantle. The creation and destruction of oceanic crust is the reason that continents move.


Q: The creation and destruction of oceanic crust is the reason what moves?

 Choices:

- animals

- planets

- oceans

- continents

A:
continents
