Home ยป Which of the following is the cause of Melanornia (skin cancer)? Environmental Pollution MCQs Which of the following is the cause of Melanornia (skin cancer)? January 27, 2022 142 Views Q. Which of the following is the cause of Melanornia (skin cancer)? A. Acid rain B. Allergens C. Ozone depletion D. None of the above Answer: Ozone depletion