ºÝºÝߣshows by User: selouarifayrilke / http://www.slideshare.net/images/logo.gif ºÝºÝߣshows by User: selouarifayrilke / ºÝºÝߣShare feed for ºÝºÝߣshows by User: selouarifayrilke https://public.slidesharecdn.com/v2/images/profile-picture.png 90 % du volume d'un iceberg est situé sous la surface de l'eau