Answer:
Weathering
Explanation:
Weathering because erosion is water or air hollowing or degrading rock.
d. rift valleys
rift valleys from when two oceanic plates converge
In the middle of the ocean basin
Explanation:
Fist, the forces acting on the plate are tensional force which act away from each other.
When these forces act away from each other, they cause the place of their origin to stretch hence creating a new feature