What is pollution? A) the introduction of harmful substances into the environment

B) the removal of waste from landfills and other waste collection areas

C) the addition of organic materials in order to clean dirty air and water

D) the combination of specific chemicals to decompose garbage

I’d say either a or d i’m sorry if it’s incorrect.

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