An island is an area of land surrounded by water and smaller than a continent. Islands can lie in oceans, lakes or rivers. They may form through volcanic activity, changes in water levels, sediment buildup or separation from a larger landmass.
An island is an area of land surrounded by water and smaller than a continent. Islands can lie in oceans, lakes or rivers. They may form through volcanic activity, changes in water levels, sediment buildup or separation from a larger landmass.
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