There is no denial to the fact that the wash basins are very important as it serves multiple functions. That is why it is necessary to have one in your home. In the present time, the bathrooms are highly spacious; therefore most of them get it constructed inside it. Basin is a depression that accumulates sediments. It provides a good record of how the environment has changed over time and what tectonic processes may have been at work. For instance, if fossils are found after drilling into a sedimentary basin, it indicated that that part of the Earth surface was covered by ocean.