Many Catholic churches traditionally move St Patrick's Day to another date if March 17 falls during Holy Week. Many immigrants from Ireland fled to other parts of the world, including Australia, Canada, the United Kingdom and the United States, in the 19th and 20th centuries.
Making the world better, one answer at a time. Passive continental margins are not areas of convergence. There is little volcanic and earthquake activity on passive margins. Active margins are areas of convergence where one plate is descending beneath another. They are associated with volcanic and earthquake activity.
the overall rate may be extremely slow one to ten centimeters per year but the long term effect is a continual re shaping of the surface of our planet an active continental margin is found on the leading edge of the continent where it is crashing into an oceanic platean excellent example is the west coast of south america active margins are commonly the sites of tectonic activity earthquakes volcanoes mountain building and the formation of new igneous rockhis is an easy one the earth s crust is broken into sections called plates there are two 2 basic types oceanic plates which are composed of basalt and continental plates which are mostly granite