Question

Name and describe the type of boundary shown at B.

Answer 1

B shows a converging plate boundary, where an oceanic plate collides with a continental plate. As a result of this collision, the oceanic plate sinks beneath a deep-ocean trench into the mantle.

Step-by-step explanation:

Answer 2

The type of boundary shown at B is converging plate boundary.

A tectonic plate boundary where the two plates are moving towards each other is known as a convergent plate boundary. If the two plates are of similar density, then they generally push up against each other, producing a mountain chain. However, if they are not of equal density, then one plate generally sinks underneath the other in a subduction zone.