What is a characteristic of land being described as functional?

Land described as functional means that it possesses certain attributes that support its intended use or purpose. Having a unique composition indicates that the physical characteristics, such as soil quality, topography, and location, align well with what is needed for its designated function, whether that's agricultural, residential, commercial, or industrial use. This reflects the optimal utilization of the land based on its inherent traits, making it valuable for specific applications.

The other options do not accurately capture the meaning of functional land. For example, land cannot be used for any purpose does not support the idea of functionality, as functional land must have a specific use. Similarly, stating that land is never altered or developed contradicts the concept of functionality; land often undergoes modifications to enhance its usability. Lastly, claiming that land's usefulness is immaterial undermines the very definition of functional land, which is all about its practical applications and value based on its characteristics.