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.
2 types of Continental Margins: Active continental margin and Passive continental margin â¢Active Continental Margin âoccur along plate boundaries (where plates are actively moving) âThis is where mountain building takes place!! âEx.) Nazca Plate (oceanic crust) subducting beneath South American Plate (causing mountains to form, earthquake and volcanic activity. (Andes Mountains) â¢Passive Continental Margin âdo not occur along plate boundaries âThese are stable margins and accumulate large amounts