How can a filter help investigate the physical properties of a mixture?

Thanks to the physical properties of matter such as size, shape, and density, mixtures can also be separated back into their different kinds of matter. One way mixtures can be separated is through filtration. Filtration is the passing of matter through a filter to separate larger particles.

Urban growth invariably feeds increased commercialization and industrialization. it requires continually expanding land areas. when urbanization rates are high, and countries do not have the institutional and managerial capacities or economic wherewithal to manage such rapid growths, they exert intense pressure on the types and nature of the resulting settlements. they contribute to the development of overcrowded slums and shanty towns without adequate essential services and necessary infrastructure.-by asit k. biswas and cecilia tortajada