Most Deformation Occurs Along Plate Boundaries Because ________

Multiple Choice

Most deformation occurs along plate boundaries because ________.

A) that is where the molten material makes it easy to deform rock
B) the plates are in constant motion and as a result the boundaries are where they interact
C) the plates were broken along their boundaries so that is where they are weakest
D) plates are rigid in their interior but the boundaries are in the asthenosphere.