Which of the following is a non-biodegradable pollutant? (a) Sulphur dioxide (b) DDT (c) Nitrogen oxide (d) Hydrogen oxide
DDT, plastics, polythene, bags, insecticides, pesticides, mercury, lead, arsenic, metal articles like aluminum cans, synthetic fibres, glass objects, iron products and silver foils are non-biodegradable pollutants.
