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An isthmus is a slender piece of land that connects two larger pieces, and has water on either side. It could be formed in several ways.

* Erosion: The isthmus may be of a softer material than the land at each end, and may have eroded faster, becoming thinner than the adjacent land. * Deposition: The isthmus may be formed by wind or water depositing silt or dust that lodges in between two prominent pieces of land, gradually building up till they are joined. * Earthquake: land between two islands may be lifted above sea level by seismic forces, linking them. * Volcanic: Lava may flow down from a volcanic island, linking it to another landmass.

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Marielle Crist

Lvl 13
3y ago

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