👉 Deglaciation is a process in which the surface of an object, such as a disk or sphere, gradually changes color from a light blue-green to a deeper greenish-blue. The change occurs at a rate determined by the thickness and size of the object, with the speed of this process increasing with depth. This process can be observed when looking at the surface of a glass or water droplet, where the surface changes from a light blue-green to a deep greenish-blue. This phenomenon is
