A density profile is a graphical representation that shows how the density of a substance varies with depth or distance. It is commonly used in fields like geology, oceanography, and atmospheric science to understand how materials are distributed in a given area. For example, in oceanography, a density profile can illustrate how water density changes with depth, affecting marine life and currents. In a density profile, the x-axis typically represents depth or distance, while the y-axis shows density values. This information helps scientists and researchers analyze the physical properties of materials, such as soil, air, or water, and can inform decisions in environmental management and resource exploration.