Islands- Largest Island of the World
Islands are pieces of land entirely surrounded by sea. They comprise a large mass of land, the biggest 16 of them accounting for as much as 22 million square miles: greater than the area of the continent of Europe. There are thousands of small islands.
Type of Islands
Islands are of three types:
Continental islands are those that rise from the continental shelf e.g, Sri Lanka, British Isles, Newfoundland etc. these islands have the same geological structure as the continents to which they are related.
Oceanic islands are those which are far removed from the mainland and rise from the bosom of the oceans.
Coral islands are formed by small sea organisms called coral polyp. They congregate in large colonies.
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