Match the pollution vocabulary and terms to their appropriate definitions. point source pollution -- nonpoint source pollution -- smog -- acid rain -- combustion of fossil fuels -- ozone -- hypoxia -- infectious agent -- match with definition a. depletion of oxygen in water b. type of air pollution that forms when pollutants from factories and cars combine with water in the atmosphere c. part of the stratosphere that protects earth from harmful radiation d. type of air pollution characterized by build up of dust, smoke and other particles in the air e. a factory smokestack is an example f. organism such as bacteria or virus that can cause illness g. agricultural runoff is an example h. the major contributors to air pollution