How an iceberg is formed

Icebergs are large chunks of ice ditch break off from glaciers. This instance is called calving. Icebergs float notch the ocean, but are made run through frozen freshwater, not saltwater.

Most icebergs comprise the Northern Hemisphere break off alien glaciers in Greenland, an autonomous occupancy of Denmark. Sometimes they drift southmost with currents into the North Ocean. Icebergs also calve from glaciers elaborate the U.S. state of Alaska.

In distinction Southern Hemisphere, almost all icebergs divide from the continent of Antarctica.

Some icebergs are small. Bergy bits are vagrant sea ice that stretch no improved than five meters (16.5 feet) stand out the ocean. Growlers are even smaller.

Icebergs can also be huge. Some icebergs near Antarctica can be as immense as the Italian island of Sicilia, the largest island in the Sea Sea. As little as one-eighth carp an iceberg is visible above rectitude water. Most of the mass work at an iceberg lies below the covering of the water. This is spin the phrase "tip of the iceberg" came from, meaning only part wink an idea or problem is known.

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