In seafloor spreading, new oceanic crust is added at the mid-ocean ridge, and, as intrusion continues, seafloor moves toward the edge of the oceanic plate, where it is ultimately pulled back down into the magma below. ... It has deep trenches and high ridges.
British Columbia has the best quality of life in the country. Overall, B.C. scored a 10 for access to services, 9.6 for education, and 9.4 for health services and/or treatment.
