Respuesta :
Answer:
Iceberg forms when a glacier
reaches the sea coast and when large chunks of ice calve (break off) and float away.
Icebergs form when chunks of ice calve, or break off, from glaciers, ice shelves, or a larger iceberg. ... On the iceberg surface, warm air melts snow and ice into pools called melt ponds that can trickle through the iceberg and widen cracks.