They are formed when a glacier erodes the land, and then melts, filling the depression created by the glacier.
The glacier erodes the land, and then as it melts, water fills the hole or space that has been created.
The glacier erodes the land, and then as it melts, water fills the hole or space that has been created.
Haz la oración simple: They are formed when a glacier erodes the land, and then melts, filling the depression created by the glacier. Producción: