Respuesta :
The region where the plants and the animals lives, grows together and uses resources like abiotic factors is called habitat. Lake has the least variation in its salinity.
What is salinity?
The amount or the concentration of the dissolved salt in a soil or water body is called salinity. The weathering of the rocks and the erosion of the minerals bring salt into the water bodies.
Saltmarsh, mangrove forests, and estuary have the maximum variation of the salinity because of the environment and they are found along the coastal regions.
Therefore, option c. lake has the least variation of the salinity.
Learn more about salinity here:
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