Becoming agile and incorporating Scrum principles is a process. It takes diligence, patience, practice and a commitment to continuous improvement. Agile Project Management for Dummies author Mark Layton (MBA2, CST, PMP, SCPM) provides training on Agile and Scrum through certified classes from Platinum Edge!
The summit craters represent the junction area of the volcanic activity through which breathes the persistent vent of Etna, and in more or less regular intervals, are the site of explosive events of various types as: Strombolian obstruction phreatic activities etc. that continually change the morphology.
Only around 180 impact craters have ever been discovered on Earth and around 30 per cent of them contain important natural resources of minerals or oil and gas. The largest and oldest known crater prior to this study, the 300 kilometre wide Vredefort crater in South Africa, is 2 billion years in age and heavily eroded.