Question

When two plates move towards each
other, they collide and heavier plate subducts
under the lighter plate. Such margins are
called​

Answer 1

Answer:

Ocean-Ocean Collisions

When two oceanic plates collide one oceanic plate is eventually subducted under the other. Where one plate slides under the other is referred to as the 'subduction zone'. As the subducting plate descends into the mantle where it is being gradually heated a benioff zone is formed.