What is the origin of the pansy flower?
Tidal Inlets and Lagoons: Tidal inlets and lagoons can form along coastlines due to the movement of tides and currents. Over time, these features can become more isolated from the open ocean and develop into coastal seas.
Human Activity: Human-made features like canals, reservoirs, and artificial basins can also create bodies of water that are sometimes referred to as seas. The Sea of Galilee (Lake Tiberias) in Israel, for instance, is a freshwater lake that is also known as a sea.