A Admin • 832.27K Points Coach Q. Which of the following is not a natural source of air pollution ? (A) Volcanic eruptions and lightening discharge (B) Biological decay of vegetable matter (C) Photochemical oxidation of organic number (D) None of the above Correct Answer - Option(D) Views: 15 Filed under category Chemistry Hashtags: Share Manage Tags
Discusssion
Login to discuss.