A default app is the program that Windows uses automatically when you open a particular type of file, such as a song, movie, photo, or webpage. For example, you might have more than one photo-editing app installed on your PC. You can choose one of them to be the default app that starts whenever you open a photo.
The Kerio Crater Lake in Iceland. The Kerio Crater Lake (sometimes spelled Kerid) is located in the GrÃ­msnes area in south Iceland, and is one of the most photogenic volcanic crater in existence. Itâs a regular stop for tourists along the Golden Circle sightseeing route and one of the most-photographed features in this amazing landscape.
Axial Seamount . Axial Seamount is the most active submarine volcano in the NE Pacific. It rises to a depth of 1400 m below sea level and is located approximately 300 miles off the coast of Oregon. Axial Seamount was the site of the world's first underwater volcano observatory called NeMO and has erupted most recently in 2015, 2011 and 1998.