Final answer:
A peninsula is a narrow strip of land that is surrounded by water on three sides and connected to the mainland on one side.
Step-by-step explanation:
A peninsula is a piece of land surrounded by water on three sides. It is connected to the mainland on one side, forming a narrow strip of land. Peninsulas can be found all around the world, such as the Korean Peninsula, the Iberian Peninsula, and the Florida Peninsula.
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