Question

The Marianas Trench, where the Pacific Plate descends under the leading edge of the Eurasian Plate, is the deepest sea floor in the world. These ocean trenches form when two oceanic plates collide

Answer 1

Answer:

The answer is: A.) and the younger, less dense of the two plates rides over the edge of the older plate.

Explanation:

Answer 2

If you are looking for the type of oceanic collision it would be the divergent boundary! The pacific plate goes beneath the Eurasian plate!