One counterpoint, what about when that ice cube is part of a tray of ice that is melting into the cup? My understanding is these glacier sheets are resting on l

One counterpoint, what about when that ice cube is part of a tray of ice that is melting into the cup? My understanding is these glacier sheets are resting on land and sliding into the water. https://www.antarcticglaciers.org/glaciers-and-climate/changing-greenland-ice-sheet/greenland-ice-sheet/ https://www.antarcticglaciers.org/glaciers-and-climate/chang...