Use the diagram to answer each question. describe an exception to the patterns pictured at a and b where volcanoes also can form.

Exceptions to A and B are when volcanoes form at hot spots in the middle of continental or oceanic plates. Magma melts through the crust and moves to the surface in a hot spot. Also a collision between two oceanic plates can form volcanoes. One of the oceanic plate is subducted which melts the plate and the formation of magma which erupts to form a chain of volcanic islands called an island arc.

answer; i believe the correct answer is (a) the correlation between the cause variable and outcome variable is zero;