Correct option is (c)
Acid rain is caused by a chemical reaction when compounds like sulfur dioxide and nitrogen oxides are released into the air.
Acid Rain damages Buildings, Objects, Lakes, Forest and can cause health problems (Respiratory Diseases).
Photochemical smog is formed by the action of solar ultraviolet radiation on atmosphere polluted with hydrocarbons and oxides of nitrogen.
Carboxyhemoglobin is a stable complex of carbon monoxide and haemoglobin that forms in red blood cells upon contact with carbon monoxide.
Ozone depletion is caused when chlorine or bromine reacts with ozone.
Most of the chlorine entering the stratosphere is from man-made sources (84%), such as Chlorofluorocarbons and Hydrochlorofluorocarbons while half of the bromine entering the stratosphere is from man-made sources, mostly Halons.
