A glacier is on land, moving down-slope like a frozen river.
When it meets the sea, it breaks off in pieces, "calving" icebergs, which float in the ocean.
A glacier is older than an iceberg, because an iceberg is a piece of ice that fell off a glacier.
a glacier is huge ice mountain in the arctic ocean.An iceberg is a chunk of ice that falls off the glacier into the ocean.
glacier
An ice that breaks off a glacier and floats away is called an iceberg.
An iceberg
Iceberg or an ice sheet
pressure is put on a glacier and causes a chunk of ice to float of on its own. This is a iceberg.
A large detached piece of a glacier is called an iceberg. The process by which this happens is called calving.There isn't really a term for a detached piece of an iceberg. See related question.
The end of the glacier where melting occurs.
Iceberg.
An iceberg
the iceberg that sunk Titanic may have been spawned from the Jakobshavn Glacier (western Greenland).